Home / 12,750.18-19,126.48-4,959.60

Finding the Fourth Proportional to 12,750.18, 19,126.48 and 4,959.60

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Solution

The fourth proportional to 12,750.18, 19,126.48 and 4,959.60 is: 7,439.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,750.18 : 19,126.48 = 4,959.60 : x
  2. Step 2: Convert to fraction form
    12,750.18/19,126.48 = 4,959.60/x
  3. Step 3: Cross multiply
    12,750.18x = 19,126.48 × 4,959.60
  4. Step 4: Simplify right side
    12,750.18x = 94,859,690.21
  5. Step 5: Solve for x
    x = 94,859,690.21/12,750.18
  6. Step 6: Final answer
    x = 7,439.87

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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.