Home / 14,764.64-20,377.54-8,799.77

Finding the Fourth Proportional to 14,764.64, 20,377.54 and 8,799.77

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Solution

The fourth proportional to 14,764.64, 20,377.54 and 8,799.77 is: 12,145.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,764.64 : 20,377.54 = 8,799.77 : x
  2. Step 2: Convert to fraction form
    14,764.64/20,377.54 = 8,799.77/x
  3. Step 3: Cross multiply
    14,764.64x = 20,377.54 × 8,799.77
  4. Step 4: Simplify right side
    14,764.64x = 179,317,702.69
  5. Step 5: Solve for x
    x = 179,317,702.69/14,764.64
  6. Step 6: Final answer
    x = 12,145.08

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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.