Home / 10,288.60-15,423.66-3,713.24

Finding the Fourth Proportional to 10,288.60, 15,423.66 and 3,713.24

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Solution

The fourth proportional to 10,288.60, 15,423.66 and 3,713.24 is: 5,566.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,288.60 : 15,423.66 = 3,713.24 : x
  2. Step 2: Convert to fraction form
    10,288.60/15,423.66 = 3,713.24/x
  3. Step 3: Cross multiply
    10,288.60x = 15,423.66 × 3,713.24
  4. Step 4: Simplify right side
    10,288.60x = 57,271,751.26
  5. Step 5: Solve for x
    x = 57,271,751.26/10,288.60
  6. Step 6: Final answer
    x = 5,566.53

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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.