Home / 14,672.80-22,028.64-8,439.04

Finding the Fourth Proportional to 14,672.80, 22,028.64 and 8,439.04

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Solution

The fourth proportional to 14,672.80, 22,028.64 and 8,439.04 is: 12,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,672.80 : 22,028.64 = 8,439.04 : x
  2. Step 2: Convert to fraction form
    14,672.80/22,028.64 = 8,439.04/x
  3. Step 3: Cross multiply
    14,672.80x = 22,028.64 × 8,439.04
  4. Step 4: Simplify right side
    14,672.80x = 185,900,574.11
  5. Step 5: Solve for x
    x = 185,900,574.11/14,672.80
  6. Step 6: Final answer
    x = 12,669.74

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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.