Home / 12,293.12-18,442.02-6,743.46

Finding the Fourth Proportional to 12,293.12, 18,442.02 and 6,743.46

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Solution

The fourth proportional to 12,293.12, 18,442.02 and 6,743.46 is: 10,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,293.12 : 18,442.02 = 6,743.46 : x
  2. Step 2: Convert to fraction form
    12,293.12/18,442.02 = 6,743.46/x
  3. Step 3: Cross multiply
    12,293.12x = 18,442.02 × 6,743.46
  4. Step 4: Simplify right side
    12,293.12x = 124,363,024.19
  5. Step 5: Solve for x
    x = 124,363,024.19/12,293.12
  6. Step 6: Final answer
    x = 10,116.47

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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.