Home / 18,931.03-26,124.86-11,377.48

Finding the Fourth Proportional to 18,931.03, 26,124.86 and 11,377.48

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Solution

The fourth proportional to 18,931.03, 26,124.86 and 11,377.48 is: 15,700.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,931.03 : 26,124.86 = 11,377.48 : x
  2. Step 2: Convert to fraction form
    18,931.03/26,124.86 = 11,377.48/x
  3. Step 3: Cross multiply
    18,931.03x = 26,124.86 × 11,377.48
  4. Step 4: Simplify right side
    18,931.03x = 297,235,072.15
  5. Step 5: Solve for x
    x = 297,235,072.15/18,931.03
  6. Step 6: Final answer
    x = 15,700.95

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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.