Home / 14,016.80-19,342.45-8,711.50

Finding the Fourth Proportional to 14,016.80, 19,342.45 and 8,711.50

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Solution

The fourth proportional to 14,016.80, 19,342.45 and 8,711.50 is: 12,021.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,016.80 : 19,342.45 = 8,711.50 : x
  2. Step 2: Convert to fraction form
    14,016.80/19,342.45 = 8,711.50/x
  3. Step 3: Cross multiply
    14,016.80x = 19,342.45 × 8,711.50
  4. Step 4: Simplify right side
    14,016.80x = 168,501,753.18
  5. Step 5: Solve for x
    x = 168,501,753.18/14,016.80
  6. Step 6: Final answer
    x = 12,021.41

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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.