Home / 15,759.29-21,751.52-9,795.46

Finding the Fourth Proportional to 15,759.29, 21,751.52 and 9,795.46

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Solution

The fourth proportional to 15,759.29, 21,751.52 and 9,795.46 is: 13,520.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,759.29 : 21,751.52 = 9,795.46 : x
  2. Step 2: Convert to fraction form
    15,759.29/21,751.52 = 9,795.46/x
  3. Step 3: Cross multiply
    15,759.29x = 21,751.52 × 9,795.46
  4. Step 4: Simplify right side
    15,759.29x = 213,066,144.10
  5. Step 5: Solve for x
    x = 213,066,144.10/15,759.29
  6. Step 6: Final answer
    x = 13,520.03

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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.