Home / 21,909.10-32,863.65-14,910.70

Finding the Fourth Proportional to 21,909.10, 32,863.65 and 14,910.70

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Solution

The fourth proportional to 21,909.10, 32,863.65 and 14,910.70 is: 22,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,909.10 : 32,863.65 = 14,910.70 : x
  2. Step 2: Convert to fraction form
    21,909.10/32,863.65 = 14,910.70/x
  3. Step 3: Cross multiply
    21,909.10x = 32,863.65 × 14,910.70
  4. Step 4: Simplify right side
    21,909.10x = 490,020,026.06
  5. Step 5: Solve for x
    x = 490,020,026.06/21,909.10
  6. Step 6: Final answer
    x = 22,366.05

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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.