Home / 18,862.34-28,297.88-5,534.79

Finding the Fourth Proportional to 18,862.34, 28,297.88 and 5,534.79

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Solution

The fourth proportional to 18,862.34, 28,297.88 and 5,534.79 is: 8,303.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,862.34 : 28,297.88 = 5,534.79 : x
  2. Step 2: Convert to fraction form
    18,862.34/28,297.88 = 5,534.79/x
  3. Step 3: Cross multiply
    18,862.34x = 28,297.88 × 5,534.79
  4. Step 4: Simplify right side
    18,862.34x = 156,622,710.21
  5. Step 5: Solve for x
    x = 156,622,710.21/18,862.34
  6. Step 6: Final answer
    x = 8,303.46

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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.