Home / 14,753.84-20,357.91-8,785.35

Finding the Fourth Proportional to 14,753.84, 20,357.91 and 8,785.35

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Solution

The fourth proportional to 14,753.84, 20,357.91 and 8,785.35 is: 12,122.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,753.84 : 20,357.91 = 8,785.35 : x
  2. Step 2: Convert to fraction form
    14,753.84/20,357.91 = 8,785.35/x
  3. Step 3: Cross multiply
    14,753.84x = 20,357.91 × 8,785.35
  4. Step 4: Simplify right side
    14,753.84x = 178,851,364.62
  5. Step 5: Solve for x
    x = 178,851,364.62/14,753.84
  6. Step 6: Final answer
    x = 12,122.36

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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.