Home / 18,419.46-25,388.51-13,034.94

Finding the Fourth Proportional to 18,419.46, 25,388.51 and 13,034.94

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Solution

The fourth proportional to 18,419.46, 25,388.51 and 13,034.94 is: 17,966.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,419.46 : 25,388.51 = 13,034.94 : x
  2. Step 2: Convert to fraction form
    18,419.46/25,388.51 = 13,034.94/x
  3. Step 3: Cross multiply
    18,419.46x = 25,388.51 × 13,034.94
  4. Step 4: Simplify right side
    18,419.46x = 330,937,639.36
  5. Step 5: Solve for x
    x = 330,937,639.36/18,419.46
  6. Step 6: Final answer
    x = 17,966.74

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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.