Home / 15,246.22-21,040.02-9,278.14

Finding the Fourth Proportional to 15,246.22, 21,040.02 and 9,278.14

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Solution

The fourth proportional to 15,246.22, 21,040.02 and 9,278.14 is: 12,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,246.22 : 21,040.02 = 9,278.14 : x
  2. Step 2: Convert to fraction form
    15,246.22/21,040.02 = 9,278.14/x
  3. Step 3: Cross multiply
    15,246.22x = 21,040.02 × 9,278.14
  4. Step 4: Simplify right side
    15,246.22x = 195,212,251.16
  5. Step 5: Solve for x
    x = 195,212,251.16/15,246.22
  6. Step 6: Final answer
    x = 12,803.98

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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.