Home / 9,867.39-13,617.18-5,887.74

Finding the Fourth Proportional to 9,867.39, 13,617.18 and 5,887.74

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Solution

The fourth proportional to 9,867.39, 13,617.18 and 5,887.74 is: 8,125.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.39 : 13,617.18 = 5,887.74 : x
  2. Step 2: Convert to fraction form
    9,867.39/13,617.18 = 5,887.74/x
  3. Step 3: Cross multiply
    9,867.39x = 13,617.18 × 5,887.74
  4. Step 4: Simplify right side
    9,867.39x = 80,174,415.37
  5. Step 5: Solve for x
    x = 80,174,415.37/9,867.39
  6. Step 6: Final answer
    x = 8,125.19

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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.