Home / 14,438.76-21,656.67-9,788.65

Finding the Fourth Proportional to 14,438.76, 21,656.67 and 9,788.65

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Solution

The fourth proportional to 14,438.76, 21,656.67 and 9,788.65 is: 14,681.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,438.76 : 21,656.67 = 9,788.65 : x
  2. Step 2: Convert to fraction form
    14,438.76/21,656.67 = 9,788.65/x
  3. Step 3: Cross multiply
    14,438.76x = 21,656.67 × 9,788.65
  4. Step 4: Simplify right side
    14,438.76x = 211,989,471.95
  5. Step 5: Solve for x
    x = 211,989,471.95/14,438.76
  6. Step 6: Final answer
    x = 14,681.98

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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.