Home / 30,195.47-45,279.15-11,206.88

Finding the Fourth Proportional to 30,195.47, 45,279.15 and 11,206.88

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Solution

The fourth proportional to 30,195.47, 45,279.15 and 11,206.88 is: 16,805.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.47 : 45,279.15 = 11,206.88 : x
  2. Step 2: Convert to fraction form
    30,195.47/45,279.15 = 11,206.88/x
  3. Step 3: Cross multiply
    30,195.47x = 45,279.15 × 11,206.88
  4. Step 4: Simplify right side
    30,195.47x = 507,437,985.98
  5. Step 5: Solve for x
    x = 507,437,985.98/30,195.47
  6. Step 6: Final answer
    x = 16,805.10

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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.