Home / 15,600.68-23,409.12-7,278.32

Finding the Fourth Proportional to 15,600.68, 23,409.12 and 7,278.32

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Solution

The fourth proportional to 15,600.68, 23,409.12 and 7,278.32 is: 10,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,600.68 : 23,409.12 = 7,278.32 : x
  2. Step 2: Convert to fraction form
    15,600.68/23,409.12 = 7,278.32/x
  3. Step 3: Cross multiply
    15,600.68x = 23,409.12 × 7,278.32
  4. Step 4: Simplify right side
    15,600.68x = 170,379,066.28
  5. Step 5: Solve for x
    x = 170,379,066.28/15,600.68
  6. Step 6: Final answer
    x = 10,921.26

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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.