Home / 9,887.19-13,644.20-5,410.88

Finding the Fourth Proportional to 9,887.19, 13,644.20 and 5,410.88

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Solution

The fourth proportional to 9,887.19, 13,644.20 and 5,410.88 is: 7,466.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.19 : 13,644.20 = 5,410.88 : x
  2. Step 2: Convert to fraction form
    9,887.19/13,644.20 = 5,410.88/x
  3. Step 3: Cross multiply
    9,887.19x = 13,644.20 × 5,410.88
  4. Step 4: Simplify right side
    9,887.19x = 73,827,128.90
  5. Step 5: Solve for x
    x = 73,827,128.90/9,887.19
  6. Step 6: Final answer
    x = 7,466.95

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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.