Home / 22,724.68-34,085.64-8,490.44

Finding the Fourth Proportional to 22,724.68, 34,085.64 and 8,490.44

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Solution

The fourth proportional to 22,724.68, 34,085.64 and 8,490.44 is: 12,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,724.68 : 34,085.64 = 8,490.44 : x
  2. Step 2: Convert to fraction form
    22,724.68/34,085.64 = 8,490.44/x
  3. Step 3: Cross multiply
    22,724.68x = 34,085.64 × 8,490.44
  4. Step 4: Simplify right side
    22,724.68x = 289,402,081.28
  5. Step 5: Solve for x
    x = 289,402,081.28/22,724.68
  6. Step 6: Final answer
    x = 12,735.14

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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.