Home / 10,201.12-14,077.80-5,725.23

Finding the Fourth Proportional to 10,201.12, 14,077.80 and 5,725.23

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Solution

The fourth proportional to 10,201.12, 14,077.80 and 5,725.23 is: 7,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,201.12 : 14,077.80 = 5,725.23 : x
  2. Step 2: Convert to fraction form
    10,201.12/14,077.80 = 5,725.23/x
  3. Step 3: Cross multiply
    10,201.12x = 14,077.80 × 5,725.23
  4. Step 4: Simplify right side
    10,201.12x = 80,598,551.04
  5. Step 5: Solve for x
    x = 80,598,551.04/10,201.12
  6. Step 6: Final answer
    x = 7,900.95

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1.5x scale

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.