Home / 9,556.49-13,187.87-5,364.71

Finding the Fourth Proportional to 9,556.49, 13,187.87 and 5,364.71

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Solution

The fourth proportional to 9,556.49, 13,187.87 and 5,364.71 is: 7,403.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,556.49 : 13,187.87 = 5,364.71 : x
  2. Step 2: Convert to fraction form
    9,556.49/13,187.87 = 5,364.71/x
  3. Step 3: Cross multiply
    9,556.49x = 13,187.87 × 5,364.71
  4. Step 4: Simplify right side
    9,556.49x = 70,749,071.24
  5. Step 5: Solve for x
    x = 70,749,071.24/9,556.49
  6. Step 6: Final answer
    x = 7,403.25

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Double scale
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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.