Home / 9,862.95-13,610.36-5,385.84

Finding the Fourth Proportional to 9,862.95, 13,610.36 and 5,385.84

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Solution

The fourth proportional to 9,862.95, 13,610.36 and 5,385.84 is: 7,432.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,862.95 : 13,610.36 = 5,385.84 : x
  2. Step 2: Convert to fraction form
    9,862.95/13,610.36 = 5,385.84/x
  3. Step 3: Cross multiply
    9,862.95x = 13,610.36 × 5,385.84
  4. Step 4: Simplify right side
    9,862.95x = 73,303,221.30
  5. Step 5: Solve for x
    x = 73,303,221.30/9,862.95
  6. Step 6: Final answer
    x = 7,432.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.