Home / 22,637.19-31,240.46-12,566.55

Finding the Fourth Proportional to 22,637.19, 31,240.46 and 12,566.55

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Solution

The fourth proportional to 22,637.19, 31,240.46 and 12,566.55 is: 17,342.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,637.19 : 31,240.46 = 12,566.55 : x
  2. Step 2: Convert to fraction form
    22,637.19/31,240.46 = 12,566.55/x
  3. Step 3: Cross multiply
    22,637.19x = 31,240.46 × 12,566.55
  4. Step 4: Simplify right side
    22,637.19x = 392,584,739.78
  5. Step 5: Solve for x
    x = 392,584,739.78/22,637.19
  6. Step 6: Final answer
    x = 17,342.47

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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.