Home / 15,217.11-22,695.51-14,688.05

Finding the Fourth Proportional to 15,217.11, 22,695.51 and 14,688.05

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Solution

The fourth proportional to 15,217.11, 22,695.51 and 14,688.05 is: 21,906.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,217.11 : 22,695.51 = 14,688.05 : x
  2. Step 2: Convert to fraction form
    15,217.11/22,695.51 = 14,688.05/x
  3. Step 3: Cross multiply
    15,217.11x = 22,695.51 × 14,688.05
  4. Step 4: Simplify right side
    15,217.11x = 333,352,672.18
  5. Step 5: Solve for x
    x = 333,352,672.18/15,217.11
  6. Step 6: Final answer
    x = 21,906.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.