Home / 13,329.16-18,382.50-9,087.08

Finding the Fourth Proportional to 13,329.16, 18,382.50 and 9,087.08

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Solution

The fourth proportional to 13,329.16, 18,382.50 and 9,087.08 is: 12,532.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,329.16 : 18,382.50 = 9,087.08 : x
  2. Step 2: Convert to fraction form
    13,329.16/18,382.50 = 9,087.08/x
  3. Step 3: Cross multiply
    13,329.16x = 18,382.50 × 9,087.08
  4. Step 4: Simplify right side
    13,329.16x = 167,043,248.10
  5. Step 5: Solve for x
    x = 167,043,248.10/13,329.16
  6. Step 6: Final answer
    x = 12,532.17

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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.