Home / 18,862.77-28,298.53-5,535.22

Finding the Fourth Proportional to 18,862.77, 28,298.53 and 5,535.22

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Solution

The fourth proportional to 18,862.77, 28,298.53 and 5,535.22 is: 8,304.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.77 : 28,298.53 = 5,535.22 : x
  2. Step 2: Convert to fraction form
    18,862.77/28,298.53 = 5,535.22/x
  3. Step 3: Cross multiply
    18,862.77x = 28,298.53 × 5,535.22
  4. Step 4: Simplify right side
    18,862.77x = 156,638,555.11
  5. Step 5: Solve for x
    x = 156,638,555.11/18,862.77
  6. Step 6: Final answer
    x = 8,304.11

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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.