Home / 18,398.14-25,388.55-10,440.16

Finding the Fourth Proportional to 18,398.14, 25,388.55 and 10,440.16

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Solution

The fourth proportional to 18,398.14, 25,388.55 and 10,440.16 is: 14,406.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,398.14 : 25,388.55 = 10,440.16 : x
  2. Step 2: Convert to fraction form
    18,398.14/25,388.55 = 10,440.16/x
  3. Step 3: Cross multiply
    18,398.14x = 25,388.55 × 10,440.16
  4. Step 4: Simplify right side
    18,398.14x = 265,060,524.17
  5. Step 5: Solve for x
    x = 265,060,524.17/18,398.14
  6. Step 6: Final answer
    x = 14,406.92

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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.