Home / 19,359.32-26,706.02-12,648.88

Finding the Fourth Proportional to 19,359.32, 26,706.02 and 12,648.88

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Solution

The fourth proportional to 19,359.32, 26,706.02 and 12,648.88 is: 17,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.32 : 26,706.02 = 12,648.88 : x
  2. Step 2: Convert to fraction form
    19,359.32/26,706.02 = 12,648.88/x
  3. Step 3: Cross multiply
    19,359.32x = 26,706.02 × 12,648.88
  4. Step 4: Simplify right side
    19,359.32x = 337,801,108.73
  5. Step 5: Solve for x
    x = 337,801,108.73/19,359.32
  6. Step 6: Final answer
    x = 17,449.02

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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.