Home / 21,246.08-31,873.75-7,015.18

Finding the Fourth Proportional to 21,246.08, 31,873.75 and 7,015.18

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Solution

The fourth proportional to 21,246.08, 31,873.75 and 7,015.18 is: 10,524.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,246.08 : 31,873.75 = 7,015.18 : x
  2. Step 2: Convert to fraction form
    21,246.08/31,873.75 = 7,015.18/x
  3. Step 3: Cross multiply
    21,246.08x = 31,873.75 × 7,015.18
  4. Step 4: Simplify right side
    21,246.08x = 223,600,185.17
  5. Step 5: Solve for x
    x = 223,600,185.17/21,246.08
  6. Step 6: Final answer
    x = 10,524.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.