Home / 9,360.68-14,011.65-5,138.15

Finding the Fourth Proportional to 9,360.68, 14,011.65 and 5,138.15

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Solution

The fourth proportional to 9,360.68, 14,011.65 and 5,138.15 is: 7,691.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,360.68 : 14,011.65 = 5,138.15 : x
  2. Step 2: Convert to fraction form
    9,360.68/14,011.65 = 5,138.15/x
  3. Step 3: Cross multiply
    9,360.68x = 14,011.65 × 5,138.15
  4. Step 4: Simplify right side
    9,360.68x = 71,993,889.39
  5. Step 5: Solve for x
    x = 71,993,889.39/9,360.68
  6. Step 6: Final answer
    x = 7,691.10

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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.