Home / 18,837.76-25,995.60-10,339.87

Finding the Fourth Proportional to 18,837.76, 25,995.60 and 10,339.87

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Solution

The fourth proportional to 18,837.76, 25,995.60 and 10,339.87 is: 14,268.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.76 : 25,995.60 = 10,339.87 : x
  2. Step 2: Convert to fraction form
    18,837.76/25,995.60 = 10,339.87/x
  3. Step 3: Cross multiply
    18,837.76x = 25,995.60 × 10,339.87
  4. Step 4: Simplify right side
    18,837.76x = 268,791,124.57
  5. Step 5: Solve for x
    x = 268,791,124.57/18,837.76
  6. Step 6: Final answer
    x = 14,268.74

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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.