Home / 14,318.43-19,754.95-8,267.89

Finding the Fourth Proportional to 14,318.43, 19,754.95 and 8,267.89

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Solution

The fourth proportional to 14,318.43, 19,754.95 and 8,267.89 is: 11,407.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,318.43 : 19,754.95 = 8,267.89 : x
  2. Step 2: Convert to fraction form
    14,318.43/19,754.95 = 8,267.89/x
  3. Step 3: Cross multiply
    14,318.43x = 19,754.95 × 8,267.89
  4. Step 4: Simplify right side
    14,318.43x = 163,331,753.56
  5. Step 5: Solve for x
    x = 163,331,753.56/14,318.43
  6. Step 6: Final answer
    x = 11,407.10

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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.