Home / 14,767.90-20,379.38-8,053.60

Finding the Fourth Proportional to 14,767.90, 20,379.38 and 8,053.60

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Solution

The fourth proportional to 14,767.90, 20,379.38 and 8,053.60 is: 11,113.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,767.90 : 20,379.38 = 8,053.60 : x
  2. Step 2: Convert to fraction form
    14,767.90/20,379.38 = 8,053.60/x
  3. Step 3: Cross multiply
    14,767.90x = 20,379.38 × 8,053.60
  4. Step 4: Simplify right side
    14,767.90x = 164,127,374.77
  5. Step 5: Solve for x
    x = 164,127,374.77/14,767.90
  6. Step 6: Final answer
    x = 11,113.79

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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.