Home / 15,405.18-23,105.99-4,312.76

Finding the Fourth Proportional to 15,405.18, 23,105.99 and 4,312.76

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Solution

The fourth proportional to 15,405.18, 23,105.99 and 4,312.76 is: 6,468.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,405.18 : 23,105.99 = 4,312.76 : x
  2. Step 2: Convert to fraction form
    15,405.18/23,105.99 = 4,312.76/x
  3. Step 3: Cross multiply
    15,405.18x = 23,105.99 × 4,312.76
  4. Step 4: Simplify right side
    15,405.18x = 99,650,452.34
  5. Step 5: Solve for x
    x = 99,650,452.34/15,405.18
  6. Step 6: Final answer
    x = 6,468.63

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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.