Home / 14,012.72-19,337.68-8,707.76

Finding the Fourth Proportional to 14,012.72, 19,337.68 and 8,707.76

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Solution

The fourth proportional to 14,012.72, 19,337.68 and 8,707.76 is: 12,016.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.72 : 19,337.68 = 8,707.76 : x
  2. Step 2: Convert to fraction form
    14,012.72/19,337.68 = 8,707.76/x
  3. Step 3: Cross multiply
    14,012.72x = 19,337.68 × 8,707.76
  4. Step 4: Simplify right side
    14,012.72x = 168,387,876.40
  5. Step 5: Solve for x
    x = 168,387,876.40/14,012.72
  6. Step 6: Final answer
    x = 12,016.79

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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.