Home / 22,615.57-31,189.06-14,118.47

Finding the Fourth Proportional to 22,615.57, 31,189.06 and 14,118.47

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Solution

The fourth proportional to 22,615.57, 31,189.06 and 14,118.47 is: 19,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,615.57 : 31,189.06 = 14,118.47 : x
  2. Step 2: Convert to fraction form
    22,615.57/31,189.06 = 14,118.47/x
  3. Step 3: Cross multiply
    22,615.57x = 31,189.06 × 14,118.47
  4. Step 4: Simplify right side
    22,615.57x = 440,341,807.94
  5. Step 5: Solve for x
    x = 440,341,807.94/22,615.57
  6. Step 6: Final answer
    x = 19,470.74

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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.