Home / 10,151.76-15,223.80-4,311.12

Finding the Fourth Proportional to 10,151.76, 15,223.80 and 4,311.12

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Solution

The fourth proportional to 10,151.76, 15,223.80 and 4,311.12 is: 6,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,151.76 : 15,223.80 = 4,311.12 : x
  2. Step 2: Convert to fraction form
    10,151.76/15,223.80 = 4,311.12/x
  3. Step 3: Cross multiply
    10,151.76x = 15,223.80 × 4,311.12
  4. Step 4: Simplify right side
    10,151.76x = 65,631,628.66
  5. Step 5: Solve for x
    x = 65,631,628.66/10,151.76
  6. Step 6: Final answer
    x = 6,465.05

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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.