Home / 14,753.75-20,357.93-8,785.26

Finding the Fourth Proportional to 14,753.75, 20,357.93 and 8,785.26

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Solution

The fourth proportional to 14,753.75, 20,357.93 and 8,785.26 is: 12,122.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.75 : 20,357.93 = 8,785.26 : x
  2. Step 2: Convert to fraction form
    14,753.75/20,357.93 = 8,785.26/x
  3. Step 3: Cross multiply
    14,753.75x = 20,357.93 × 8,785.26
  4. Step 4: Simplify right side
    14,753.75x = 178,849,730.07
  5. Step 5: Solve for x
    x = 178,849,730.07/14,753.75
  6. Step 6: Final answer
    x = 12,122.33

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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.