Home / 15,390.62-23,092.32-7,381.34

Finding the Fourth Proportional to 15,390.62, 23,092.32 and 7,381.34

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Solution

The fourth proportional to 15,390.62, 23,092.32 and 7,381.34 is: 11,075.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,390.62 : 23,092.32 = 7,381.34 : x
  2. Step 2: Convert to fraction form
    15,390.62/23,092.32 = 7,381.34/x
  3. Step 3: Cross multiply
    15,390.62x = 23,092.32 × 7,381.34
  4. Step 4: Simplify right side
    15,390.62x = 170,452,265.31
  5. Step 5: Solve for x
    x = 170,452,265.31/15,390.62
  6. Step 6: Final answer
    x = 11,075.07

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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.