Home / 12,298.48-18,447.66-5,721.04

Finding the Fourth Proportional to 12,298.48, 18,447.66 and 5,721.04

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Solution

The fourth proportional to 12,298.48, 18,447.66 and 5,721.04 is: 8,581.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.48 : 18,447.66 = 5,721.04 : x
  2. Step 2: Convert to fraction form
    12,298.48/18,447.66 = 5,721.04/x
  3. Step 3: Cross multiply
    12,298.48x = 18,447.66 × 5,721.04
  4. Step 4: Simplify right side
    12,298.48x = 105,539,800.77
  5. Step 5: Solve for x
    x = 105,539,800.77/12,298.48
  6. Step 6: Final answer
    x = 8,581.53

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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.