Home / 21,097.04-31,633.56-8,602.43

Finding the Fourth Proportional to 21,097.04, 31,633.56 and 8,602.43

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Solution

The fourth proportional to 21,097.04, 31,633.56 and 8,602.43 is: 12,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,097.04 : 31,633.56 = 8,602.43 : x
  2. Step 2: Convert to fraction form
    21,097.04/31,633.56 = 8,602.43/x
  3. Step 3: Cross multiply
    21,097.04x = 31,633.56 × 8,602.43
  4. Step 4: Simplify right side
    21,097.04x = 272,125,327.38
  5. Step 5: Solve for x
    x = 272,125,327.38/21,097.04
  6. Step 6: Final answer
    x = 12,898.75

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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.