Home / 15,746.67-21,729.47-9,373.73

Finding the Fourth Proportional to 15,746.67, 21,729.47 and 9,373.73

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Solution

The fourth proportional to 15,746.67, 21,729.47 and 9,373.73 is: 12,935.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,746.67 : 21,729.47 = 9,373.73 : x
  2. Step 2: Convert to fraction form
    15,746.67/21,729.47 = 9,373.73/x
  3. Step 3: Cross multiply
    15,746.67x = 21,729.47 × 9,373.73
  4. Step 4: Simplify right side
    15,746.67x = 203,686,029.31
  5. Step 5: Solve for x
    x = 203,686,029.31/15,746.67
  6. Step 6: Final answer
    x = 12,935.18

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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.