Home / 12,439.47-17,166.75-7,062.27

Finding the Fourth Proportional to 12,439.47, 17,166.75 and 7,062.27

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Solution

The fourth proportional to 12,439.47, 17,166.75 and 7,062.27 is: 9,746.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,439.47 : 17,166.75 = 7,062.27 : x
  2. Step 2: Convert to fraction form
    12,439.47/17,166.75 = 7,062.27/x
  3. Step 3: Cross multiply
    12,439.47x = 17,166.75 × 7,062.27
  4. Step 4: Simplify right side
    12,439.47x = 121,236,223.52
  5. Step 5: Solve for x
    x = 121,236,223.52/12,439.47
  6. Step 6: Final answer
    x = 9,746.09

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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.