Home / 12,948.18-19,427.19-4,627.86

Finding the Fourth Proportional to 12,948.18, 19,427.19 and 4,627.86

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Solution

The fourth proportional to 12,948.18, 19,427.19 and 4,627.86 is: 6,943.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.18 : 19,427.19 = 4,627.86 : x
  2. Step 2: Convert to fraction form
    12,948.18/19,427.19 = 4,627.86/x
  3. Step 3: Cross multiply
    12,948.18x = 19,427.19 × 4,627.86
  4. Step 4: Simplify right side
    12,948.18x = 89,906,315.51
  5. Step 5: Solve for x
    x = 89,906,315.51/12,948.18
  6. Step 6: Final answer
    x = 6,943.55

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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.