Home / 12,868.20-19,304.54-4,547.56

Finding the Fourth Proportional to 12,868.20, 19,304.54 and 4,547.56

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Solution

The fourth proportional to 12,868.20, 19,304.54 and 4,547.56 is: 6,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,868.20 : 19,304.54 = 4,547.56 : x
  2. Step 2: Convert to fraction form
    12,868.20/19,304.54 = 4,547.56/x
  3. Step 3: Cross multiply
    12,868.20x = 19,304.54 × 4,547.56
  4. Step 4: Simplify right side
    12,868.20x = 87,788,553.92
  5. Step 5: Solve for x
    x = 87,788,553.92/12,868.20
  6. Step 6: Final answer
    x = 6,822.13

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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.