Home / 12,948.57-19,420.05-4,629.17

Finding the Fourth Proportional to 12,948.57, 19,420.05 and 4,629.17

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Solution

The fourth proportional to 12,948.57, 19,420.05 and 4,629.17 is: 6,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.57 : 19,420.05 = 4,629.17 : x
  2. Step 2: Convert to fraction form
    12,948.57/19,420.05 = 4,629.17/x
  3. Step 3: Cross multiply
    12,948.57x = 19,420.05 × 4,629.17
  4. Step 4: Simplify right side
    12,948.57x = 89,898,592.61
  5. Step 5: Solve for x
    x = 89,898,592.61/12,948.57
  6. Step 6: Final answer
    x = 6,942.74

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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.