Home / 12,285.68-16,957.76-7,250.72

Finding the Fourth Proportional to 12,285.68, 16,957.76 and 7,250.72

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Solution

The fourth proportional to 12,285.68, 16,957.76 and 7,250.72 is: 10,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.68 : 16,957.76 = 7,250.72 : x
  2. Step 2: Convert to fraction form
    12,285.68/16,957.76 = 7,250.72/x
  3. Step 3: Cross multiply
    12,285.68x = 16,957.76 × 7,250.72
  4. Step 4: Simplify right side
    12,285.68x = 122,955,848.54
  5. Step 5: Solve for x
    x = 122,955,848.54/12,285.68
  6. Step 6: Final answer
    x = 10,008.07

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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.