Home / 19,341.28-26,675.76-12,965.68

Finding the Fourth Proportional to 19,341.28, 26,675.76 and 12,965.68

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Solution

The fourth proportional to 19,341.28, 26,675.76 and 12,965.68 is: 17,882.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,341.28 : 26,675.76 = 12,965.68 : x
  2. Step 2: Convert to fraction form
    19,341.28/26,675.76 = 12,965.68/x
  3. Step 3: Cross multiply
    19,341.28x = 26,675.76 × 12,965.68
  4. Step 4: Simplify right side
    19,341.28x = 345,869,367.92
  5. Step 5: Solve for x
    x = 345,869,367.92/19,341.28
  6. Step 6: Final answer
    x = 17,882.44

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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.