Home / 23,108.32-31,889.48-12,497.96

Finding the Fourth Proportional to 23,108.32, 31,889.48 and 12,497.96

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Solution

The fourth proportional to 23,108.32, 31,889.48 and 12,497.96 is: 17,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,108.32 : 31,889.48 = 12,497.96 : x
  2. Step 2: Convert to fraction form
    23,108.32/31,889.48 = 12,497.96/x
  3. Step 3: Cross multiply
    23,108.32x = 31,889.48 × 12,497.96
  4. Step 4: Simplify right side
    23,108.32x = 398,553,445.46
  5. Step 5: Solve for x
    x = 398,553,445.46/23,108.32
  6. Step 6: Final answer
    x = 17,247.18

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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.