Home / 12,582.04-17,363.60-7,278.52

Finding the Fourth Proportional to 12,582.04, 17,363.60 and 7,278.52

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Solution

The fourth proportional to 12,582.04, 17,363.60 and 7,278.52 is: 10,044.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,582.04 : 17,363.60 = 7,278.52 : x
  2. Step 2: Convert to fraction form
    12,582.04/17,363.60 = 7,278.52/x
  3. Step 3: Cross multiply
    12,582.04x = 17,363.60 × 7,278.52
  4. Step 4: Simplify right side
    12,582.04x = 126,381,309.87
  5. Step 5: Solve for x
    x = 126,381,309.87/12,582.04
  6. Step 6: Final answer
    x = 10,044.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.