Home / 21,523.02-29,700.46-11,962.59

Finding the Fourth Proportional to 21,523.02, 29,700.46 and 11,962.59

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Solution

The fourth proportional to 21,523.02, 29,700.46 and 11,962.59 is: 16,507.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,523.02 : 29,700.46 = 11,962.59 : x
  2. Step 2: Convert to fraction form
    21,523.02/29,700.46 = 11,962.59/x
  3. Step 3: Cross multiply
    21,523.02x = 29,700.46 × 11,962.59
  4. Step 4: Simplify right side
    21,523.02x = 355,294,613.61
  5. Step 5: Solve for x
    x = 355,294,613.61/21,523.02
  6. Step 6: Final answer
    x = 16,507.65

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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.