Home / 12,610.99-17,397.32-8,136.17

Finding the Fourth Proportional to 12,610.99, 17,397.32 and 8,136.17

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Solution

The fourth proportional to 12,610.99, 17,397.32 and 8,136.17 is: 11,224.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,610.99 : 17,397.32 = 8,136.17 : x
  2. Step 2: Convert to fraction form
    12,610.99/17,397.32 = 8,136.17/x
  3. Step 3: Cross multiply
    12,610.99x = 17,397.32 × 8,136.17
  4. Step 4: Simplify right side
    12,610.99x = 141,547,425.40
  5. Step 5: Solve for x
    x = 141,547,425.40/12,610.99
  6. Step 6: Final answer
    x = 11,224.14

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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.