Home / 18,286.32-25,235.12-10,329.08

Finding the Fourth Proportional to 18,286.32, 25,235.12 and 10,329.08

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Solution

The fourth proportional to 18,286.32, 25,235.12 and 10,329.08 is: 14,254.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.32 : 25,235.12 = 10,329.08 : x
  2. Step 2: Convert to fraction form
    18,286.32/25,235.12 = 10,329.08/x
  3. Step 3: Cross multiply
    18,286.32x = 25,235.12 × 10,329.08
  4. Step 4: Simplify right side
    18,286.32x = 260,655,573.29
  5. Step 5: Solve for x
    x = 260,655,573.29/18,286.32
  6. Step 6: Final answer
    x = 14,254.13

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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.