Home / 18,457.38-25,483.41-11,394.18

Finding the Fourth Proportional to 18,457.38, 25,483.41 and 11,394.18

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Solution

The fourth proportional to 18,457.38, 25,483.41 and 11,394.18 is: 15,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.38 : 25,483.41 = 11,394.18 : x
  2. Step 2: Convert to fraction form
    18,457.38/25,483.41 = 11,394.18/x
  3. Step 3: Cross multiply
    18,457.38x = 25,483.41 × 11,394.18
  4. Step 4: Simplify right side
    18,457.38x = 290,362,560.55
  5. Step 5: Solve for x
    x = 290,362,560.55/18,457.38
  6. Step 6: Final answer
    x = 15,731.52

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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.