Home / 19,330.32-26,675.40-11,370.80

Finding the Fourth Proportional to 19,330.32, 26,675.40 and 11,370.80

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Solution

The fourth proportional to 19,330.32, 26,675.40 and 11,370.80 is: 15,691.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,330.32 : 26,675.40 = 11,370.80 : x
  2. Step 2: Convert to fraction form
    19,330.32/26,675.40 = 11,370.80/x
  3. Step 3: Cross multiply
    19,330.32x = 26,675.40 × 11,370.80
  4. Step 4: Simplify right side
    19,330.32x = 303,320,638.32
  5. Step 5: Solve for x
    x = 303,320,638.32/19,330.32
  6. Step 6: Final answer
    x = 15,691.44

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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.