Home / 12,735.04-17,574.56-7,145.92

Finding the Fourth Proportional to 12,735.04, 17,574.56 and 7,145.92

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Solution

The fourth proportional to 12,735.04, 17,574.56 and 7,145.92 is: 9,861.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,735.04 : 17,574.56 = 7,145.92 : x
  2. Step 2: Convert to fraction form
    12,735.04/17,574.56 = 7,145.92/x
  3. Step 3: Cross multiply
    12,735.04x = 17,574.56 × 7,145.92
  4. Step 4: Simplify right side
    12,735.04x = 125,586,399.80
  5. Step 5: Solve for x
    x = 125,586,399.80/12,735.04
  6. Step 6: Final answer
    x = 9,861.48

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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.