Home / 9,339.12-14,011.38-2,765.48

Finding the Fourth Proportional to 9,339.12, 14,011.38 and 2,765.48

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Solution

The fourth proportional to 9,339.12, 14,011.38 and 2,765.48 is: 4,149.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,339.12 : 14,011.38 = 2,765.48 : x
  2. Step 2: Convert to fraction form
    9,339.12/14,011.38 = 2,765.48/x
  3. Step 3: Cross multiply
    9,339.12x = 14,011.38 × 2,765.48
  4. Step 4: Simplify right side
    9,339.12x = 38,748,121.11
  5. Step 5: Solve for x
    x = 38,748,121.11/9,339.12
  6. Step 6: Final answer
    x = 4,149.01

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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.