Home / 22,437.48-30,963.06-12,878.76

Finding the Fourth Proportional to 22,437.48, 30,963.06 and 12,878.76

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Solution

The fourth proportional to 22,437.48, 30,963.06 and 12,878.76 is: 17,772.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,437.48 : 30,963.06 = 12,878.76 : x
  2. Step 2: Convert to fraction form
    22,437.48/30,963.06 = 12,878.76/x
  3. Step 3: Cross multiply
    22,437.48x = 30,963.06 × 12,878.76
  4. Step 4: Simplify right side
    22,437.48x = 398,765,818.61
  5. Step 5: Solve for x
    x = 398,765,818.61/22,437.48
  6. Step 6: Final answer
    x = 17,772.31

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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.