Home / 18,837.85-25,996.06-10,339.72

Finding the Fourth Proportional to 18,837.85, 25,996.06 and 10,339.72

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Solution

The fourth proportional to 18,837.85, 25,996.06 and 10,339.72 is: 14,268.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,837.85 : 25,996.06 = 10,339.72 : x
  2. Step 2: Convert to fraction form
    18,837.85/25,996.06 = 10,339.72/x
  3. Step 3: Cross multiply
    18,837.85x = 25,996.06 × 10,339.72
  4. Step 4: Simplify right side
    18,837.85x = 268,791,981.50
  5. Step 5: Solve for x
    x = 268,791,981.50/18,837.85
  6. Step 6: Final answer
    x = 14,268.72

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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.