Home / 21,509.08-29,694.86-14,337.08

Finding the Fourth Proportional to 21,509.08, 29,694.86 and 14,337.08

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Solution

The fourth proportional to 21,509.08, 29,694.86 and 14,337.08 is: 19,793.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,509.08 : 29,694.86 = 14,337.08 : x
  2. Step 2: Convert to fraction form
    21,509.08/29,694.86 = 14,337.08/x
  3. Step 3: Cross multiply
    21,509.08x = 29,694.86 × 14,337.08
  4. Step 4: Simplify right side
    21,509.08x = 425,737,583.41
  5. Step 5: Solve for x
    x = 425,737,583.41/21,509.08
  6. Step 6: Final answer
    x = 19,793.39

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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.