Home / 9,788.40-13,506.12-5,595.12

Finding the Fourth Proportional to 9,788.40, 13,506.12 and 5,595.12

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Solution

The fourth proportional to 9,788.40, 13,506.12 and 5,595.12 is: 7,720.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.40 : 13,506.12 = 5,595.12 : x
  2. Step 2: Convert to fraction form
    9,788.40/13,506.12 = 5,595.12/x
  3. Step 3: Cross multiply
    9,788.40x = 13,506.12 × 5,595.12
  4. Step 4: Simplify right side
    9,788.40x = 75,568,362.13
  5. Step 5: Solve for x
    x = 75,568,362.13/9,788.40
  6. Step 6: Final answer
    x = 7,720.20

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Half scale
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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.