Home / 12,464.79-18,686.70-5,797.90

Finding the Fourth Proportional to 12,464.79, 18,686.70 and 5,797.90

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Solution

The fourth proportional to 12,464.79, 18,686.70 and 5,797.90 is: 8,691.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,464.79 : 18,686.70 = 5,797.90 : x
  2. Step 2: Convert to fraction form
    12,464.79/18,686.70 = 5,797.90/x
  3. Step 3: Cross multiply
    12,464.79x = 18,686.70 × 5,797.90
  4. Step 4: Simplify right side
    12,464.79x = 108,343,679.14
  5. Step 5: Solve for x
    x = 108,343,679.14/12,464.79
  6. Step 6: Final answer
    x = 8,691.98

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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.