Home / 14,207.76-21,306.51-4,209.53

Finding the Fourth Proportional to 14,207.76, 21,306.51 and 4,209.53

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Solution

The fourth proportional to 14,207.76, 21,306.51 and 4,209.53 is: 6,312.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,207.76 : 21,306.51 = 4,209.53 : x
  2. Step 2: Convert to fraction form
    14,207.76/21,306.51 = 4,209.53/x
  3. Step 3: Cross multiply
    14,207.76x = 21,306.51 × 4,209.53
  4. Step 4: Simplify right side
    14,207.76x = 89,690,286.51
  5. Step 5: Solve for x
    x = 89,690,286.51/14,207.76
  6. Step 6: Final answer
    x = 6,312.77

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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.