Home / 9,785.20-14,651.88-5,154.16

Finding the Fourth Proportional to 9,785.20, 14,651.88 and 5,154.16

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Solution

The fourth proportional to 9,785.20, 14,651.88 and 5,154.16 is: 7,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,785.20 : 14,651.88 = 5,154.16 : x
  2. Step 2: Convert to fraction form
    9,785.20/14,651.88 = 5,154.16/x
  3. Step 3: Cross multiply
    9,785.20x = 14,651.88 × 5,154.16
  4. Step 4: Simplify right side
    9,785.20x = 75,518,133.82
  5. Step 5: Solve for x
    x = 75,518,133.82/9,785.20
  6. Step 6: Final answer
    x = 7,717.59

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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.