Home / 10,961.04-16,440.18-4,387.29

Finding the Fourth Proportional to 10,961.04, 16,440.18 and 4,387.29

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Solution

The fourth proportional to 10,961.04, 16,440.18 and 4,387.29 is: 6,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,961.04 : 16,440.18 = 4,387.29 : x
  2. Step 2: Convert to fraction form
    10,961.04/16,440.18 = 4,387.29/x
  3. Step 3: Cross multiply
    10,961.04x = 16,440.18 × 4,387.29
  4. Step 4: Simplify right side
    10,961.04x = 72,127,837.31
  5. Step 5: Solve for x
    x = 72,127,837.31/10,961.04
  6. Step 6: Final answer
    x = 6,580.38

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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.