Home / 9,555.76-13,185.48-5,363.20

Finding the Fourth Proportional to 9,555.76, 13,185.48 and 5,363.20

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Solution

The fourth proportional to 9,555.76, 13,185.48 and 5,363.20 is: 7,400.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.76 : 13,185.48 = 5,363.20 : x
  2. Step 2: Convert to fraction form
    9,555.76/13,185.48 = 5,363.20/x
  3. Step 3: Cross multiply
    9,555.76x = 13,185.48 × 5,363.20
  4. Step 4: Simplify right side
    9,555.76x = 70,716,366.34
  5. Step 5: Solve for x
    x = 70,716,366.34/9,555.76
  6. Step 6: Final answer
    x = 7,400.39

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Half scale
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Double scale
Find fourth proportional to 9,556.76, 13,186.86 and 5,364.20
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.