Home / 30,184.38-45,279.06-9,407.88

Finding the Fourth Proportional to 30,184.38, 45,279.06 and 9,407.88

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Solution

The fourth proportional to 30,184.38, 45,279.06 and 9,407.88 is: 14,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,184.38 : 45,279.06 = 9,407.88 : x
  2. Step 2: Convert to fraction form
    30,184.38/45,279.06 = 9,407.88/x
  3. Step 3: Cross multiply
    30,184.38x = 45,279.06 × 9,407.88
  4. Step 4: Simplify right side
    30,184.38x = 425,979,962.99
  5. Step 5: Solve for x
    x = 425,979,962.99/30,184.38
  6. Step 6: Final answer
    x = 14,112.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.