Home / 22,688.94-34,039.53-7,898.70

Finding the Fourth Proportional to 22,688.94, 34,039.53 and 7,898.70

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Solution

The fourth proportional to 22,688.94, 34,039.53 and 7,898.70 is: 11,850.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,688.94 : 34,039.53 = 7,898.70 : x
  2. Step 2: Convert to fraction form
    22,688.94/34,039.53 = 7,898.70/x
  3. Step 3: Cross multiply
    22,688.94x = 34,039.53 × 7,898.70
  4. Step 4: Simplify right side
    22,688.94x = 268,868,035.61
  5. Step 5: Solve for x
    x = 268,868,035.61/22,688.94
  6. Step 6: Final answer
    x = 11,850.18

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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.