Home / 14,854.29-20,499.45-8,139.93

Finding the Fourth Proportional to 14,854.29, 20,499.45 and 8,139.93

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Solution

The fourth proportional to 14,854.29, 20,499.45 and 8,139.93 is: 11,233.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,854.29 : 20,499.45 = 8,139.93 : x
  2. Step 2: Convert to fraction form
    14,854.29/20,499.45 = 8,139.93/x
  3. Step 3: Cross multiply
    14,854.29x = 20,499.45 × 8,139.93
  4. Step 4: Simplify right side
    14,854.29x = 166,863,980.64
  5. Step 5: Solve for x
    x = 166,863,980.64/14,854.29
  6. Step 6: Final answer
    x = 11,233.39

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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.