Home / 10,384.15-15,577.11-2,988.70

Finding the Fourth Proportional to 10,384.15, 15,577.11 and 2,988.70

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Solution

The fourth proportional to 10,384.15, 15,577.11 and 2,988.70 is: 4,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.15 : 15,577.11 = 2,988.70 : x
  2. Step 2: Convert to fraction form
    10,384.15/15,577.11 = 2,988.70/x
  3. Step 3: Cross multiply
    10,384.15x = 15,577.11 × 2,988.70
  4. Step 4: Simplify right side
    10,384.15x = 46,555,308.66
  5. Step 5: Solve for x
    x = 46,555,308.66/10,384.15
  6. Step 6: Final answer
    x = 4,483.30

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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.