Home / 22,717.47-31,348.52-14,219.22

Finding the Fourth Proportional to 22,717.47, 31,348.52 and 14,219.22

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Solution

The fourth proportional to 22,717.47, 31,348.52 and 14,219.22 is: 19,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,717.47 : 31,348.52 = 14,219.22 : x
  2. Step 2: Convert to fraction form
    22,717.47/31,348.52 = 14,219.22/x
  3. Step 3: Cross multiply
    22,717.47x = 31,348.52 × 14,219.22
  4. Step 4: Simplify right side
    22,717.47x = 445,751,502.55
  5. Step 5: Solve for x
    x = 445,751,502.55/22,717.47
  6. Step 6: Final answer
    x = 19,621.53

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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.