Home / 19,373.90-26,729.09-12,663.39

Finding the Fourth Proportional to 19,373.90, 26,729.09 and 12,663.39

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Solution

The fourth proportional to 19,373.90, 26,729.09 and 12,663.39 is: 17,470.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,373.90 : 26,729.09 = 12,663.39 : x
  2. Step 2: Convert to fraction form
    19,373.90/26,729.09 = 12,663.39/x
  3. Step 3: Cross multiply
    19,373.90x = 26,729.09 × 12,663.39
  4. Step 4: Simplify right side
    19,373.90x = 338,480,922.67
  5. Step 5: Solve for x
    x = 338,480,922.67/19,373.90
  6. Step 6: Final answer
    x = 17,470.98

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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.