Home / 9,148.16-13,718.99-3,951.20

Finding the Fourth Proportional to 9,148.16, 13,718.99 and 3,951.20

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Solution

The fourth proportional to 9,148.16, 13,718.99 and 3,951.20 is: 5,925.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.16 : 13,718.99 = 3,951.20 : x
  2. Step 2: Convert to fraction form
    9,148.16/13,718.99 = 3,951.20/x
  3. Step 3: Cross multiply
    9,148.16x = 13,718.99 × 3,951.20
  4. Step 4: Simplify right side
    9,148.16x = 54,206,384.94
  5. Step 5: Solve for x
    x = 54,206,384.94/9,148.16
  6. Step 6: Final answer
    x = 5,925.39

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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.