Home / 19,115.63-28,660.35-9,737.49

Finding the Fourth Proportional to 19,115.63, 28,660.35 and 9,737.49

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Solution

The fourth proportional to 19,115.63, 28,660.35 and 9,737.49 is: 14,599.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.63 : 28,660.35 = 9,737.49 : x
  2. Step 2: Convert to fraction form
    19,115.63/28,660.35 = 9,737.49/x
  3. Step 3: Cross multiply
    19,115.63x = 28,660.35 × 9,737.49
  4. Step 4: Simplify right side
    19,115.63x = 279,079,871.52
  5. Step 5: Solve for x
    x = 279,079,871.52/19,115.63
  6. Step 6: Final answer
    x = 14,599.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.