Home / 15,310.17-21,136.02-9,653.13

Finding the Fourth Proportional to 15,310.17, 21,136.02 and 9,653.13

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Solution

The fourth proportional to 15,310.17, 21,136.02 and 9,653.13 is: 13,326.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,310.17 : 21,136.02 = 9,653.13 : x
  2. Step 2: Convert to fraction form
    15,310.17/21,136.02 = 9,653.13/x
  3. Step 3: Cross multiply
    15,310.17x = 21,136.02 × 9,653.13
  4. Step 4: Simplify right side
    15,310.17x = 204,028,748.74
  5. Step 5: Solve for x
    x = 204,028,748.74/15,310.17
  6. Step 6: Final answer
    x = 13,326.35

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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.