Home / 10,281.30-14,189.52-5,806.20

Finding the Fourth Proportional to 10,281.30, 14,189.52 and 5,806.20

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Solution

The fourth proportional to 10,281.30, 14,189.52 and 5,806.20 is: 8,013.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,281.30 : 14,189.52 = 5,806.20 : x
  2. Step 2: Convert to fraction form
    10,281.30/14,189.52 = 5,806.20/x
  3. Step 3: Cross multiply
    10,281.30x = 14,189.52 × 5,806.20
  4. Step 4: Simplify right side
    10,281.30x = 82,387,191.02
  5. Step 5: Solve for x
    x = 82,387,191.02/10,281.30
  6. Step 6: Final answer
    x = 8,013.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.