Home / 9,867.81-13,617.85-5,891.23

Finding the Fourth Proportional to 9,867.81, 13,617.85 and 5,891.23

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Solution

The fourth proportional to 9,867.81, 13,617.85 and 5,891.23 is: 8,130.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,867.81 : 13,617.85 = 5,891.23 : x
  2. Step 2: Convert to fraction form
    9,867.81/13,617.85 = 5,891.23/x
  3. Step 3: Cross multiply
    9,867.81x = 13,617.85 × 5,891.23
  4. Step 4: Simplify right side
    9,867.81x = 80,225,837.68
  5. Step 5: Solve for x
    x = 80,225,837.68/9,867.81
  6. Step 6: Final answer
    x = 8,130.05

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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.