Home / 21,257.68-31,886.25-9,562.63

Finding the Fourth Proportional to 21,257.68, 31,886.25 and 9,562.63

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Solution

The fourth proportional to 21,257.68, 31,886.25 and 9,562.63 is: 14,343.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,257.68 : 31,886.25 = 9,562.63 : x
  2. Step 2: Convert to fraction form
    21,257.68/31,886.25 = 9,562.63/x
  3. Step 3: Cross multiply
    21,257.68x = 31,886.25 × 9,562.63
  4. Step 4: Simplify right side
    21,257.68x = 304,916,410.84
  5. Step 5: Solve for x
    x = 304,916,410.84/21,257.68
  6. Step 6: Final answer
    x = 14,343.82

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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.