Home / 18,207.32-25,125.84-10,140.92

Finding the Fourth Proportional to 18,207.32, 25,125.84 and 10,140.92

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Solution

The fourth proportional to 18,207.32, 25,125.84 and 10,140.92 is: 13,994.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,207.32 : 25,125.84 = 10,140.92 : x
  2. Step 2: Convert to fraction form
    18,207.32/25,125.84 = 10,140.92/x
  3. Step 3: Cross multiply
    18,207.32x = 25,125.84 × 10,140.92
  4. Step 4: Simplify right side
    18,207.32x = 254,799,133.37
  5. Step 5: Solve for x
    x = 254,799,133.37/18,207.32
  6. Step 6: Final answer
    x = 13,994.32

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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.