Home / 18,742.02-28,113.02-6,259.71

Finding the Fourth Proportional to 18,742.02, 28,113.02 and 6,259.71

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Solution

The fourth proportional to 18,742.02, 28,113.02 and 6,259.71 is: 9,389.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.02 : 28,113.02 = 6,259.71 : x
  2. Step 2: Convert to fraction form
    18,742.02/28,113.02 = 6,259.71/x
  3. Step 3: Cross multiply
    18,742.02x = 28,113.02 × 6,259.71
  4. Step 4: Simplify right side
    18,742.02x = 175,979,321.13
  5. Step 5: Solve for x
    x = 175,979,321.13/18,742.02
  6. Step 6: Final answer
    x = 9,389.56

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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.