Home / 10,427.04-15,641.43-3,406.91

Finding the Fourth Proportional to 10,427.04, 15,641.43 and 3,406.91

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Solution

The fourth proportional to 10,427.04, 15,641.43 and 3,406.91 is: 5,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,427.04 : 15,641.43 = 3,406.91 : x
  2. Step 2: Convert to fraction form
    10,427.04/15,641.43 = 3,406.91/x
  3. Step 3: Cross multiply
    10,427.04x = 15,641.43 × 3,406.91
  4. Step 4: Simplify right side
    10,427.04x = 53,288,931.12
  5. Step 5: Solve for x
    x = 53,288,931.12/10,427.04
  6. Step 6: Final answer
    x = 5,110.65

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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.