Home / 11,559.20-15,947.38-7,582.52

Finding the Fourth Proportional to 11,559.20, 15,947.38 and 7,582.52

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Solution

The fourth proportional to 11,559.20, 15,947.38 and 7,582.52 is: 10,461.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.20 : 15,947.38 = 7,582.52 : x
  2. Step 2: Convert to fraction form
    11,559.20/15,947.38 = 7,582.52/x
  3. Step 3: Cross multiply
    11,559.20x = 15,947.38 × 7,582.52
  4. Step 4: Simplify right side
    11,559.20x = 120,921,327.80
  5. Step 5: Solve for x
    x = 120,921,327.80/11,559.20
  6. Step 6: Final answer
    x = 10,461.05

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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.