Home / 10,154.89-15,226.76-3,132.99

Finding the Fourth Proportional to 10,154.89, 15,226.76 and 3,132.99

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Solution

The fourth proportional to 10,154.89, 15,226.76 and 3,132.99 is: 4,697.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.89 : 15,226.76 = 3,132.99 : x
  2. Step 2: Convert to fraction form
    10,154.89/15,226.76 = 3,132.99/x
  3. Step 3: Cross multiply
    10,154.89x = 15,226.76 × 3,132.99
  4. Step 4: Simplify right side
    10,154.89x = 47,705,307.25
  5. Step 5: Solve for x
    x = 47,705,307.25/10,154.89
  6. Step 6: Final answer
    x = 4,697.77

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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.