Home / 22,319.09-30,798.38-12,757.10

Finding the Fourth Proportional to 22,319.09, 30,798.38 and 12,757.10

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Solution

The fourth proportional to 22,319.09, 30,798.38 and 12,757.10 is: 17,603.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,319.09 : 30,798.38 = 12,757.10 : x
  2. Step 2: Convert to fraction form
    22,319.09/30,798.38 = 12,757.10/x
  3. Step 3: Cross multiply
    22,319.09x = 30,798.38 × 12,757.10
  4. Step 4: Simplify right side
    22,319.09x = 392,897,819.64
  5. Step 5: Solve for x
    x = 392,897,819.64/22,319.09
  6. Step 6: Final answer
    x = 17,603.66

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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.