Home / 21,956.50-30,246.51-16,646.14

Finding the Fourth Proportional to 21,956.50, 30,246.51 and 16,646.14

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Solution

The fourth proportional to 21,956.50, 30,246.51 and 16,646.14 is: 22,931.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.50 : 30,246.51 = 16,646.14 : x
  2. Step 2: Convert to fraction form
    21,956.50/30,246.51 = 16,646.14/x
  3. Step 3: Cross multiply
    21,956.50x = 30,246.51 × 16,646.14
  4. Step 4: Simplify right side
    21,956.50x = 503,487,639.97
  5. Step 5: Solve for x
    x = 503,487,639.97/21,956.50
  6. Step 6: Final answer
    x = 22,931.14

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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.