Home / 18,833.79-28,250.91-5,686.74

Finding the Fourth Proportional to 18,833.79, 28,250.91 and 5,686.74

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Solution

The fourth proportional to 18,833.79, 28,250.91 and 5,686.74 is: 8,530.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,833.79 : 28,250.91 = 5,686.74 : x
  2. Step 2: Convert to fraction form
    18,833.79/28,250.91 = 5,686.74/x
  3. Step 3: Cross multiply
    18,833.79x = 28,250.91 × 5,686.74
  4. Step 4: Simplify right side
    18,833.79x = 160,655,579.93
  5. Step 5: Solve for x
    x = 160,655,579.93/18,833.79
  6. Step 6: Final answer
    x = 8,530.18

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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.