Home / 18,460.31-25,475.24-11,390.84

Finding the Fourth Proportional to 18,460.31, 25,475.24 and 11,390.84

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Solution

The fourth proportional to 18,460.31, 25,475.24 and 11,390.84 is: 15,719.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,460.31 : 25,475.24 = 11,390.84 : x
  2. Step 2: Convert to fraction form
    18,460.31/25,475.24 = 11,390.84/x
  3. Step 3: Cross multiply
    18,460.31x = 25,475.24 × 11,390.84
  4. Step 4: Simplify right side
    18,460.31x = 290,184,283.90
  5. Step 5: Solve for x
    x = 290,184,283.90/18,460.31
  6. Step 6: Final answer
    x = 15,719.36

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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.