Home / 19,362.57-29,040.36-5,131.14

Finding the Fourth Proportional to 19,362.57, 29,040.36 and 5,131.14

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Solution

The fourth proportional to 19,362.57, 29,040.36 and 5,131.14 is: 7,695.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,362.57 : 29,040.36 = 5,131.14 : x
  2. Step 2: Convert to fraction form
    19,362.57/29,040.36 = 5,131.14/x
  3. Step 3: Cross multiply
    19,362.57x = 29,040.36 × 5,131.14
  4. Step 4: Simplify right side
    19,362.57x = 149,010,152.81
  5. Step 5: Solve for x
    x = 149,010,152.81/19,362.57
  6. Step 6: Final answer
    x = 7,695.78

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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.