Home / 21,701.12-32,529.35-9,863.13

Finding the Fourth Proportional to 21,701.12, 32,529.35 and 9,863.13

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Solution

The fourth proportional to 21,701.12, 32,529.35 and 9,863.13 is: 14,784.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,701.12 : 32,529.35 = 9,863.13 : x
  2. Step 2: Convert to fraction form
    21,701.12/32,529.35 = 9,863.13/x
  3. Step 3: Cross multiply
    21,701.12x = 32,529.35 × 9,863.13
  4. Step 4: Simplify right side
    21,701.12x = 320,841,158.55
  5. Step 5: Solve for x
    x = 320,841,158.55/21,701.12
  6. Step 6: Final answer
    x = 14,784.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.