Home / 9,887.20-13,644.34-5,410.95

Finding the Fourth Proportional to 9,887.20, 13,644.34 and 5,410.95

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Solution

The fourth proportional to 9,887.20, 13,644.34 and 5,410.95 is: 7,467.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.20 : 13,644.34 = 5,410.95 : x
  2. Step 2: Convert to fraction form
    9,887.20/13,644.34 = 5,410.95/x
  3. Step 3: Cross multiply
    9,887.20x = 13,644.34 × 5,410.95
  4. Step 4: Simplify right side
    9,887.20x = 73,828,841.52
  5. Step 5: Solve for x
    x = 73,828,841.52/9,887.20
  6. Step 6: Final answer
    x = 7,467.12

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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.