Home / 21,263.60-31,896.12-7,034.96

Finding the Fourth Proportional to 21,263.60, 31,896.12 and 7,034.96

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Solution

The fourth proportional to 21,263.60, 31,896.12 and 7,034.96 is: 10,552.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,263.60 : 31,896.12 = 7,034.96 : x
  2. Step 2: Convert to fraction form
    21,263.60/31,896.12 = 7,034.96/x
  3. Step 3: Cross multiply
    21,263.60x = 31,896.12 × 7,034.96
  4. Step 4: Simplify right side
    21,263.60x = 224,387,928.36
  5. Step 5: Solve for x
    x = 224,387,928.36/21,263.60
  6. Step 6: Final answer
    x = 10,552.68

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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.