Home / 12,862.49-19,293.78-4,541.55

Finding the Fourth Proportional to 12,862.49, 19,293.78 and 4,541.55

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Solution

The fourth proportional to 12,862.49, 19,293.78 and 4,541.55 is: 6,812.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.49 : 19,293.78 = 4,541.55 : x
  2. Step 2: Convert to fraction form
    12,862.49/19,293.78 = 4,541.55/x
  3. Step 3: Cross multiply
    12,862.49x = 19,293.78 × 4,541.55
  4. Step 4: Simplify right side
    12,862.49x = 87,623,666.56
  5. Step 5: Solve for x
    x = 87,623,666.56/12,862.49
  6. Step 6: Final answer
    x = 6,812.34

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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.