Home / 18,210.12-25,125.49-11,133.96

Finding the Fourth Proportional to 18,210.12, 25,125.49 and 11,133.96

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Solution

The fourth proportional to 18,210.12, 25,125.49 and 11,133.96 is: 15,362.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,210.12 : 25,125.49 = 11,133.96 : x
  2. Step 2: Convert to fraction form
    18,210.12/25,125.49 = 11,133.96/x
  3. Step 3: Cross multiply
    18,210.12x = 25,125.49 × 11,133.96
  4. Step 4: Simplify right side
    18,210.12x = 279,746,200.64
  5. Step 5: Solve for x
    x = 279,746,200.64/18,210.12
  6. Step 6: Final answer
    x = 15,362.13

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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.