Home / 15,724.80-23,579.20-9,152.32

Finding the Fourth Proportional to 15,724.80, 23,579.20 and 9,152.32

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Solution

The fourth proportional to 15,724.80, 23,579.20 and 9,152.32 is: 13,723.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.80 : 23,579.20 = 9,152.32 : x
  2. Step 2: Convert to fraction form
    15,724.80/23,579.20 = 9,152.32/x
  3. Step 3: Cross multiply
    15,724.80x = 23,579.20 × 9,152.32
  4. Step 4: Simplify right side
    15,724.80x = 215,804,383.74
  5. Step 5: Solve for x
    x = 215,804,383.74/15,724.80
  6. Step 6: Final answer
    x = 13,723.82

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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.