Home / 14,134.88-19,503.04-8,545.76

Finding the Fourth Proportional to 14,134.88, 19,503.04 and 8,545.76

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Solution

The fourth proportional to 14,134.88, 19,503.04 and 8,545.76 is: 11,791.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,134.88 : 19,503.04 = 8,545.76 : x
  2. Step 2: Convert to fraction form
    14,134.88/19,503.04 = 8,545.76/x
  3. Step 3: Cross multiply
    14,134.88x = 19,503.04 × 8,545.76
  4. Step 4: Simplify right side
    14,134.88x = 166,668,299.11
  5. Step 5: Solve for x
    x = 166,668,299.11/14,134.88
  6. Step 6: Final answer
    x = 11,791.28

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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.