Home / 15,186.95-20,944.37-9,522.32

Finding the Fourth Proportional to 15,186.95, 20,944.37 and 9,522.32

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Solution

The fourth proportional to 15,186.95, 20,944.37 and 9,522.32 is: 13,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,186.95 : 20,944.37 = 9,522.32 : x
  2. Step 2: Convert to fraction form
    15,186.95/20,944.37 = 9,522.32/x
  3. Step 3: Cross multiply
    15,186.95x = 20,944.37 × 9,522.32
  4. Step 4: Simplify right side
    15,186.95x = 199,438,955.26
  5. Step 5: Solve for x
    x = 199,438,955.26/15,186.95
  6. Step 6: Final answer
    x = 13,132.26

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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.