Home / 12,060.18-16,639.89-6,954.45

Finding the Fourth Proportional to 12,060.18, 16,639.89 and 6,954.45

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Solution

The fourth proportional to 12,060.18, 16,639.89 and 6,954.45 is: 9,595.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,060.18 : 16,639.89 = 6,954.45 : x
  2. Step 2: Convert to fraction form
    12,060.18/16,639.89 = 6,954.45/x
  3. Step 3: Cross multiply
    12,060.18x = 16,639.89 × 6,954.45
  4. Step 4: Simplify right side
    12,060.18x = 115,721,283.01
  5. Step 5: Solve for x
    x = 115,721,283.01/12,060.18
  6. Step 6: Final answer
    x = 9,595.32

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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.