Home / 14,782.83-20,399.91-8,068.53

Finding the Fourth Proportional to 14,782.83, 20,399.91 and 8,068.53

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Solution

The fourth proportional to 14,782.83, 20,399.91 and 8,068.53 is: 11,134.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,782.83 : 20,399.91 = 8,068.53 : x
  2. Step 2: Convert to fraction form
    14,782.83/20,399.91 = 8,068.53/x
  3. Step 3: Cross multiply
    14,782.83x = 20,399.91 × 8,068.53
  4. Step 4: Simplify right side
    14,782.83x = 164,597,285.83
  5. Step 5: Solve for x
    x = 164,597,285.83/14,782.83
  6. Step 6: Final answer
    x = 11,134.36

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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.