Home / 9,487.04-13,091.64-5,294.48

Finding the Fourth Proportional to 9,487.04, 13,091.64 and 5,294.48

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Solution

The fourth proportional to 9,487.04, 13,091.64 and 5,294.48 is: 7,306.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,487.04 : 13,091.64 = 5,294.48 : x
  2. Step 2: Convert to fraction form
    9,487.04/13,091.64 = 5,294.48/x
  3. Step 3: Cross multiply
    9,487.04x = 13,091.64 × 5,294.48
  4. Step 4: Simplify right side
    9,487.04x = 69,313,426.15
  5. Step 5: Solve for x
    x = 69,313,426.15/9,487.04
  6. Step 6: Final answer
    x = 7,306.12

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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.