Home / 10,671.20-14,726.45-5,891.71

Finding the Fourth Proportional to 10,671.20, 14,726.45 and 5,891.71

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Solution

The fourth proportional to 10,671.20, 14,726.45 and 5,891.71 is: 8,130.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,671.20 : 14,726.45 = 5,891.71 : x
  2. Step 2: Convert to fraction form
    10,671.20/14,726.45 = 5,891.71/x
  3. Step 3: Cross multiply
    10,671.20x = 14,726.45 × 5,891.71
  4. Step 4: Simplify right side
    10,671.20x = 86,763,972.73
  5. Step 5: Solve for x
    x = 86,763,972.73/10,671.20
  6. Step 6: Final answer
    x = 8,130.67

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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.