Home / 10,109.58-13,957.77-9,482.23

Finding the Fourth Proportional to 10,109.58, 13,957.77 and 9,482.23

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Solution

The fourth proportional to 10,109.58, 13,957.77 and 9,482.23 is: 13,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,109.58 : 13,957.77 = 9,482.23 : x
  2. Step 2: Convert to fraction form
    10,109.58/13,957.77 = 9,482.23/x
  3. Step 3: Cross multiply
    10,109.58x = 13,957.77 × 9,482.23
  4. Step 4: Simplify right side
    10,109.58x = 132,350,785.43
  5. Step 5: Solve for x
    x = 132,350,785.43/10,109.58
  6. Step 6: Final answer
    x = 13,091.62

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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.