Home / 19,337.78-26,670.92-12,962.18

Finding the Fourth Proportional to 19,337.78, 26,670.92 and 12,962.18

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Solution

The fourth proportional to 19,337.78, 26,670.92 and 12,962.18 is: 17,877.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,337.78 : 26,670.92 = 12,962.18 : x
  2. Step 2: Convert to fraction form
    19,337.78/26,670.92 = 12,962.18/x
  3. Step 3: Cross multiply
    19,337.78x = 26,670.92 × 12,962.18
  4. Step 4: Simplify right side
    19,337.78x = 345,713,265.81
  5. Step 5: Solve for x
    x = 345,713,265.81/19,337.78
  6. Step 6: Final answer
    x = 17,877.61

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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.