Home / 19,769.40-29,624.22-8,669.88

Finding the Fourth Proportional to 19,769.40, 29,624.22 and 8,669.88

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Solution

The fourth proportional to 19,769.40, 29,624.22 and 8,669.88 is: 12,991.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.40 : 29,624.22 = 8,669.88 : x
  2. Step 2: Convert to fraction form
    19,769.40/29,624.22 = 8,669.88/x
  3. Step 3: Cross multiply
    19,769.40x = 29,624.22 × 8,669.88
  4. Step 4: Simplify right side
    19,769.40x = 256,838,432.49
  5. Step 5: Solve for x
    x = 256,838,432.49/19,769.40
  6. Step 6: Final answer
    x = 12,991.72

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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.