Home / 18,977.52-26,188.56-10,479.12

Finding the Fourth Proportional to 18,977.52, 26,188.56 and 10,479.12

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Solution

The fourth proportional to 18,977.52, 26,188.56 and 10,479.12 is: 14,460.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.52 : 26,188.56 = 10,479.12 : x
  2. Step 2: Convert to fraction form
    18,977.52/26,188.56 = 10,479.12/x
  3. Step 3: Cross multiply
    18,977.52x = 26,188.56 × 10,479.12
  4. Step 4: Simplify right side
    18,977.52x = 274,433,062.87
  5. Step 5: Solve for x
    x = 274,433,062.87/18,977.52
  6. Step 6: Final answer
    x = 14,460.96

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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.