Home / 14,231.65-21,352.26-8,960.50

Finding the Fourth Proportional to 14,231.65, 21,352.26 and 8,960.50

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Solution

The fourth proportional to 14,231.65, 21,352.26 and 8,960.50 is: 13,443.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,231.65 : 21,352.26 = 8,960.50 : x
  2. Step 2: Convert to fraction form
    14,231.65/21,352.26 = 8,960.50/x
  3. Step 3: Cross multiply
    14,231.65x = 21,352.26 × 8,960.50
  4. Step 4: Simplify right side
    14,231.65x = 191,326,925.73
  5. Step 5: Solve for x
    x = 191,326,925.73/14,231.65
  6. Step 6: Final answer
    x = 13,443.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.