Home / 21,805.68-30,101.02-14,741.66

Finding the Fourth Proportional to 21,805.68, 30,101.02 and 14,741.66

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Solution

The fourth proportional to 21,805.68, 30,101.02 and 14,741.66 is: 20,349.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,805.68 : 30,101.02 = 14,741.66 : x
  2. Step 2: Convert to fraction form
    21,805.68/30,101.02 = 14,741.66/x
  3. Step 3: Cross multiply
    21,805.68x = 30,101.02 × 14,741.66
  4. Step 4: Simplify right side
    21,805.68x = 443,739,002.49
  5. Step 5: Solve for x
    x = 443,739,002.49/21,805.68
  6. Step 6: Final answer
    x = 20,349.70

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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.