Home / 12,520.04-17,277.66-7,804.32

Finding the Fourth Proportional to 12,520.04, 17,277.66 and 7,804.32

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Solution

The fourth proportional to 12,520.04, 17,277.66 and 7,804.32 is: 10,769.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,520.04 : 17,277.66 = 7,804.32 : x
  2. Step 2: Convert to fraction form
    12,520.04/17,277.66 = 7,804.32/x
  3. Step 3: Cross multiply
    12,520.04x = 17,277.66 × 7,804.32
  4. Step 4: Simplify right side
    12,520.04x = 134,840,387.49
  5. Step 5: Solve for x
    x = 134,840,387.49/12,520.04
  6. Step 6: Final answer
    x = 10,769.97

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Double scale
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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.