Home / 9,539.20-14,268.30-8,559.10

Finding the Fourth Proportional to 9,539.20, 14,268.30 and 8,559.10

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Solution

The fourth proportional to 9,539.20, 14,268.30 and 8,559.10 is: 12,802.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,539.20 : 14,268.30 = 8,559.10 : x
  2. Step 2: Convert to fraction form
    9,539.20/14,268.30 = 8,559.10/x
  3. Step 3: Cross multiply
    9,539.20x = 14,268.30 × 8,559.10
  4. Step 4: Simplify right side
    9,539.20x = 122,123,806.53
  5. Step 5: Solve for x
    x = 122,123,806.53/9,539.20
  6. Step 6: Final answer
    x = 12,802.31

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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.