Home / 19,319.12-26,657.84-10,934

Finding the Fourth Proportional to 19,319.12, 26,657.84 and 10,934

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Solution

The fourth proportional to 19,319.12, 26,657.84 and 10,934 is: 15,087.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.12 : 26,657.84 = 10,934 : x
  2. Step 2: Convert to fraction form
    19,319.12/26,657.84 = 10,934/x
  3. Step 3: Cross multiply
    19,319.12x = 26,657.84 × 10,934
  4. Step 4: Simplify right side
    19,319.12x = 291,476,822.56
  5. Step 5: Solve for x
    x = 291,476,822.56/19,319.12
  6. Step 6: Final answer
    x = 15,087.48

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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.