Home / 18,695.48-28,038.42-5,544.76

Finding the Fourth Proportional to 18,695.48, 28,038.42 and 5,544.76

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Solution

The fourth proportional to 18,695.48, 28,038.42 and 5,544.76 is: 8,315.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,695.48 : 28,038.42 = 5,544.76 : x
  2. Step 2: Convert to fraction form
    18,695.48/28,038.42 = 5,544.76/x
  3. Step 3: Cross multiply
    18,695.48x = 28,038.42 × 5,544.76
  4. Step 4: Simplify right side
    18,695.48x = 155,466,309.68
  5. Step 5: Solve for x
    x = 155,466,309.68/18,695.48
  6. Step 6: Final answer
    x = 8,315.72

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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.