Home / 15,724.72-23,579.79-9,152.79

Finding the Fourth Proportional to 15,724.72, 23,579.79 and 9,152.79

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Solution

The fourth proportional to 15,724.72, 23,579.79 and 9,152.79 is: 13,724.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,724.72 : 23,579.79 = 9,152.79 : x
  2. Step 2: Convert to fraction form
    15,724.72/23,579.79 = 9,152.79/x
  3. Step 3: Cross multiply
    15,724.72x = 23,579.79 × 9,152.79
  4. Step 4: Simplify right side
    15,724.72x = 215,820,866.11
  5. Step 5: Solve for x
    x = 215,820,866.11/15,724.72
  6. Step 6: Final answer
    x = 13,724.94

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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.