Home / 12,288.60-16,957.47-7,254.36

Finding the Fourth Proportional to 12,288.60, 16,957.47 and 7,254.36

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Solution

The fourth proportional to 12,288.60, 16,957.47 and 7,254.36 is: 10,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,288.60 : 16,957.47 = 7,254.36 : x
  2. Step 2: Convert to fraction form
    12,288.60/16,957.47 = 7,254.36/x
  3. Step 3: Cross multiply
    12,288.60x = 16,957.47 × 7,254.36
  4. Step 4: Simplify right side
    12,288.60x = 123,015,592.07
  5. Step 5: Solve for x
    x = 123,015,592.07/12,288.60
  6. Step 6: Final answer
    x = 10,010.55

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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.