Home / 12,802.79-19,204.17-4,038.59

Finding the Fourth Proportional to 12,802.79, 19,204.17 and 4,038.59

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Solution

The fourth proportional to 12,802.79, 19,204.17 and 4,038.59 is: 6,057.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,802.79 : 19,204.17 = 4,038.59 : x
  2. Step 2: Convert to fraction form
    12,802.79/19,204.17 = 4,038.59/x
  3. Step 3: Cross multiply
    12,802.79x = 19,204.17 × 4,038.59
  4. Step 4: Simplify right side
    12,802.79x = 77,557,672.90
  5. Step 5: Solve for x
    x = 77,557,672.90/12,802.79
  6. Step 6: Final answer
    x = 6,057.88

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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.