Home / 19,319.70-26,665.12-10,937.82

Finding the Fourth Proportional to 19,319.70, 26,665.12 and 10,937.82

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Solution

The fourth proportional to 19,319.70, 26,665.12 and 10,937.82 is: 15,096.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,319.70 : 26,665.12 = 10,937.82 : x
  2. Step 2: Convert to fraction form
    19,319.70/26,665.12 = 10,937.82/x
  3. Step 3: Cross multiply
    19,319.70x = 26,665.12 × 10,937.82
  4. Step 4: Simplify right side
    19,319.70x = 291,658,282.84
  5. Step 5: Solve for x
    x = 291,658,282.84/19,319.70
  6. Step 6: Final answer
    x = 15,096.42

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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.