Home / 21,374.38-32,072.51-9,686.08

Finding the Fourth Proportional to 21,374.38, 32,072.51 and 9,686.08

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Solution

The fourth proportional to 21,374.38, 32,072.51 and 9,686.08 is: 14,534.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,374.38 : 32,072.51 = 9,686.08 : x
  2. Step 2: Convert to fraction form
    21,374.38/32,072.51 = 9,686.08/x
  3. Step 3: Cross multiply
    21,374.38x = 32,072.51 × 9,686.08
  4. Step 4: Simplify right side
    21,374.38x = 310,656,849.23
  5. Step 5: Solve for x
    x = 310,656,849.23/21,374.38
  6. Step 6: Final answer
    x = 14,534.08

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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.