Home / 18,739.64-25,862.34-10,357.76

Finding the Fourth Proportional to 18,739.64, 25,862.34 and 10,357.76

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Solution

The fourth proportional to 18,739.64, 25,862.34 and 10,357.76 is: 14,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,739.64 : 25,862.34 = 10,357.76 : x
  2. Step 2: Convert to fraction form
    18,739.64/25,862.34 = 10,357.76/x
  3. Step 3: Cross multiply
    18,739.64x = 25,862.34 × 10,357.76
  4. Step 4: Simplify right side
    18,739.64x = 267,875,910.76
  5. Step 5: Solve for x
    x = 267,875,910.76/18,739.64
  6. Step 6: Final answer
    x = 14,294.61

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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.