Home / 23,145.08-34,691.36-10,639.26

Finding the Fourth Proportional to 23,145.08, 34,691.36 and 10,639.26

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Solution

The fourth proportional to 23,145.08, 34,691.36 and 10,639.26 is: 15,946.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,145.08 : 34,691.36 = 10,639.26 : x
  2. Step 2: Convert to fraction form
    23,145.08/34,691.36 = 10,639.26/x
  3. Step 3: Cross multiply
    23,145.08x = 34,691.36 × 10,639.26
  4. Step 4: Simplify right side
    23,145.08x = 369,090,398.79
  5. Step 5: Solve for x
    x = 369,090,398.79/23,145.08
  6. Step 6: Final answer
    x = 15,946.82

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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.