Home / 21,248.68-29,322.66-12,294.94

Finding the Fourth Proportional to 21,248.68, 29,322.66 and 12,294.94

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Solution

The fourth proportional to 21,248.68, 29,322.66 and 12,294.94 is: 16,966.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,248.68 : 29,322.66 = 12,294.94 : x
  2. Step 2: Convert to fraction form
    21,248.68/29,322.66 = 12,294.94/x
  3. Step 3: Cross multiply
    21,248.68x = 29,322.66 × 12,294.94
  4. Step 4: Simplify right side
    21,248.68x = 360,520,345.34
  5. Step 5: Solve for x
    x = 360,520,345.34/21,248.68
  6. Step 6: Final answer
    x = 16,966.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.