Home / 12,430.68-17,150.47-7,052.23

Finding the Fourth Proportional to 12,430.68, 17,150.47 and 7,052.23

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Solution

The fourth proportional to 12,430.68, 17,150.47 and 7,052.23 is: 9,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,430.68 : 17,150.47 = 7,052.23 : x
  2. Step 2: Convert to fraction form
    12,430.68/17,150.47 = 7,052.23/x
  3. Step 3: Cross multiply
    12,430.68x = 17,150.47 × 7,052.23
  4. Step 4: Simplify right side
    12,430.68x = 120,949,059.05
  5. Step 5: Solve for x
    x = 120,949,059.05/12,430.68
  6. Step 6: Final answer
    x = 9,729.88

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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.