Home / 12,841.65-19,264.77-4,407.84

Finding the Fourth Proportional to 12,841.65, 19,264.77 and 4,407.84

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Solution

The fourth proportional to 12,841.65, 19,264.77 and 4,407.84 is: 6,612.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,841.65 : 19,264.77 = 4,407.84 : x
  2. Step 2: Convert to fraction form
    12,841.65/19,264.77 = 4,407.84/x
  3. Step 3: Cross multiply
    12,841.65x = 19,264.77 × 4,407.84
  4. Step 4: Simplify right side
    12,841.65x = 84,916,023.80
  5. Step 5: Solve for x
    x = 84,916,023.80/12,841.65
  6. Step 6: Final answer
    x = 6,612.55

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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.