Home / 10,981.45-15,150.46-6,263.00

Finding the Fourth Proportional to 10,981.45, 15,150.46 and 6,263.00

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Solution

The fourth proportional to 10,981.45, 15,150.46 and 6,263.00 is: 8,640.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.45 : 15,150.46 = 6,263.00 : x
  2. Step 2: Convert to fraction form
    10,981.45/15,150.46 = 6,263.00/x
  3. Step 3: Cross multiply
    10,981.45x = 15,150.46 × 6,263.00
  4. Step 4: Simplify right side
    10,981.45x = 94,887,223.91
  5. Step 5: Solve for x
    x = 94,887,223.91/10,981.45
  6. Step 6: Final answer
    x = 8,640.69

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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.