Home / 14,574.12-20,109.42-8,607.66

Finding the Fourth Proportional to 14,574.12, 20,109.42 and 8,607.66

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Solution

The fourth proportional to 14,574.12, 20,109.42 and 8,607.66 is: 11,876.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,574.12 : 20,109.42 = 8,607.66 : x
  2. Step 2: Convert to fraction form
    14,574.12/20,109.42 = 8,607.66/x
  3. Step 3: Cross multiply
    14,574.12x = 20,109.42 × 8,607.66
  4. Step 4: Simplify right side
    14,574.12x = 173,095,050.16
  5. Step 5: Solve for x
    x = 173,095,050.16/14,574.12
  6. Step 6: Final answer
    x = 11,876.88

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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.