Home / 12,697.04-17,505.36-9,708.14

Finding the Fourth Proportional to 12,697.04, 17,505.36 and 9,708.14

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Solution

The fourth proportional to 12,697.04, 17,505.36 and 9,708.14 is: 13,384.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,697.04 : 17,505.36 = 9,708.14 : x
  2. Step 2: Convert to fraction form
    12,697.04/17,505.36 = 9,708.14/x
  3. Step 3: Cross multiply
    12,697.04x = 17,505.36 × 9,708.14
  4. Step 4: Simplify right side
    12,697.04x = 169,944,398.10
  5. Step 5: Solve for x
    x = 169,944,398.10/12,697.04
  6. Step 6: Final answer
    x = 13,384.57

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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.