Home / 12,591.23-17,376.80-7,555.32

Finding the Fourth Proportional to 12,591.23, 17,376.80 and 7,555.32

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Solution

The fourth proportional to 12,591.23, 17,376.80 and 7,555.32 is: 10,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,591.23 : 17,376.80 = 7,555.32 : x
  2. Step 2: Convert to fraction form
    12,591.23/17,376.80 = 7,555.32/x
  3. Step 3: Cross multiply
    12,591.23x = 17,376.80 × 7,555.32
  4. Step 4: Simplify right side
    12,591.23x = 131,287,246.80
  5. Step 5: Solve for x
    x = 131,287,246.80/12,591.23
  6. Step 6: Final answer
    x = 10,426.88

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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.