Home / 14,854.58-20,499.35-8,140.07

Finding the Fourth Proportional to 14,854.58, 20,499.35 and 8,140.07

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Solution

The fourth proportional to 14,854.58, 20,499.35 and 8,140.07 is: 11,233.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.58 : 20,499.35 = 8,140.07 : x
  2. Step 2: Convert to fraction form
    14,854.58/20,499.35 = 8,140.07/x
  3. Step 3: Cross multiply
    14,854.58x = 20,499.35 × 8,140.07
  4. Step 4: Simplify right side
    14,854.58x = 166,866,143.95
  5. Step 5: Solve for x
    x = 166,866,143.95/14,854.58
  6. Step 6: Final answer
    x = 11,233.31

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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.