Home / 15,061.04-20,784.77-9,091.53

Finding the Fourth Proportional to 15,061.04, 20,784.77 and 9,091.53

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Solution

The fourth proportional to 15,061.04, 20,784.77 and 9,091.53 is: 12,546.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,061.04 : 20,784.77 = 9,091.53 : x
  2. Step 2: Convert to fraction form
    15,061.04/20,784.77 = 9,091.53/x
  3. Step 3: Cross multiply
    15,061.04x = 20,784.77 × 9,091.53
  4. Step 4: Simplify right side
    15,061.04x = 188,965,314.54
  5. Step 5: Solve for x
    x = 188,965,314.54/15,061.04
  6. Step 6: Final answer
    x = 12,546.64

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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.