Home / 14,938.77-22,371.18-8,679.80

Finding the Fourth Proportional to 14,938.77, 22,371.18 and 8,679.80

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Solution

The fourth proportional to 14,938.77, 22,371.18 and 8,679.80 is: 12,998.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,938.77 : 22,371.18 = 8,679.80 : x
  2. Step 2: Convert to fraction form
    14,938.77/22,371.18 = 8,679.80/x
  3. Step 3: Cross multiply
    14,938.77x = 22,371.18 × 8,679.80
  4. Step 4: Simplify right side
    14,938.77x = 194,177,368.16
  5. Step 5: Solve for x
    x = 194,177,368.16/14,938.77
  6. Step 6: Final answer
    x = 12,998.22

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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.