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Finding the Fourth Proportional to 14,510.67, 21,766.00 and 9,579.15

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Solution

The fourth proportional to 14,510.67, 21,766.00 and 9,579.15 is: 14,368.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,510.67 : 21,766.00 = 9,579.15 : x
  2. Step 2: Convert to fraction form
    14,510.67/21,766.00 = 9,579.15/x
  3. Step 3: Cross multiply
    14,510.67x = 21,766.00 × 9,579.15
  4. Step 4: Simplify right side
    14,510.67x = 208,499,754.95
  5. Step 5: Solve for x
    x = 208,499,754.95/14,510.67
  6. Step 6: Final answer
    x = 14,368.72

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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.