Home / 16,569.56-22,865.79-9,855.07

Finding the Fourth Proportional to 16,569.56, 22,865.79 and 9,855.07

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Solution

The fourth proportional to 16,569.56, 22,865.79 and 9,855.07 is: 13,599.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,569.56 : 22,865.79 = 9,855.07 : x
  2. Step 2: Convert to fraction form
    16,569.56/22,865.79 = 9,855.07/x
  3. Step 3: Cross multiply
    16,569.56x = 22,865.79 × 9,855.07
  4. Step 4: Simplify right side
    16,569.56x = 225,343,940.85
  5. Step 5: Solve for x
    x = 225,343,940.85/16,569.56
  6. Step 6: Final answer
    x = 13,599.87

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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.