Home / 18,012.12-24,856.31-10,055.09

Finding the Fourth Proportional to 18,012.12, 24,856.31 and 10,055.09

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Solution

The fourth proportional to 18,012.12, 24,856.31 and 10,055.09 is: 13,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,012.12 : 24,856.31 = 10,055.09 : x
  2. Step 2: Convert to fraction form
    18,012.12/24,856.31 = 10,055.09/x
  3. Step 3: Cross multiply
    18,012.12x = 24,856.31 × 10,055.09
  4. Step 4: Simplify right side
    18,012.12x = 249,932,334.97
  5. Step 5: Solve for x
    x = 249,932,334.97/18,012.12
  6. Step 6: Final answer
    x = 13,875.79

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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.