Home / 10,981.73-15,155.88-6,266.72

Finding the Fourth Proportional to 10,981.73, 15,155.88 and 6,266.72

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Solution

The fourth proportional to 10,981.73, 15,155.88 and 6,266.72 is: 8,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,981.73 : 15,155.88 = 6,266.72 : x
  2. Step 2: Convert to fraction form
    10,981.73/15,155.88 = 6,266.72/x
  3. Step 3: Cross multiply
    10,981.73x = 15,155.88 × 6,266.72
  4. Step 4: Simplify right side
    10,981.73x = 94,977,670.70
  5. Step 5: Solve for x
    x = 94,977,670.70/10,981.73
  6. Step 6: Final answer
    x = 8,648.70

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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.