Home / 9,840.24-13,581.84-5,862.48

Finding the Fourth Proportional to 9,840.24, 13,581.84 and 5,862.48

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Solution

The fourth proportional to 9,840.24, 13,581.84 and 5,862.48 is: 8,091.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,840.24 : 13,581.84 = 5,862.48 : x
  2. Step 2: Convert to fraction form
    9,840.24/13,581.84 = 5,862.48/x
  3. Step 3: Cross multiply
    9,840.24x = 13,581.84 × 5,862.48
  4. Step 4: Simplify right side
    9,840.24x = 79,623,265.36
  5. Step 5: Solve for x
    x = 79,623,265.36/9,840.24
  6. Step 6: Final answer
    x = 8,091.60

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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.