Home / 21,666.11-32,484.76-7,813.31

Finding the Fourth Proportional to 21,666.11, 32,484.76 and 7,813.31

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Solution

The fourth proportional to 21,666.11, 32,484.76 and 7,813.31 is: 11,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,666.11 : 32,484.76 = 7,813.31 : x
  2. Step 2: Convert to fraction form
    21,666.11/32,484.76 = 7,813.31/x
  3. Step 3: Cross multiply
    21,666.11x = 32,484.76 × 7,813.31
  4. Step 4: Simplify right side
    21,666.11x = 253,813,318.20
  5. Step 5: Solve for x
    x = 253,813,318.20/21,666.11
  6. Step 6: Final answer
    x = 11,714.76

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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.