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Finding the Fourth Proportional to 8,860.95, 13,276.85 and 7,023.87

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Solution

The fourth proportional to 8,860.95, 13,276.85 and 7,023.87 is: 10,524.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,860.95 : 13,276.85 = 7,023.87 : x
  2. Step 2: Convert to fraction form
    8,860.95/13,276.85 = 7,023.87/x
  3. Step 3: Cross multiply
    8,860.95x = 13,276.85 × 7,023.87
  4. Step 4: Simplify right side
    8,860.95x = 93,254,833.29
  5. Step 5: Solve for x
    x = 93,254,833.29/8,860.95
  6. Step 6: Final answer
    x = 10,524.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.