Home / 14,223.53-19,623.78-9,190.71

Finding the Fourth Proportional to 14,223.53, 19,623.78 and 9,190.71

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Solution

The fourth proportional to 14,223.53, 19,623.78 and 9,190.71 is: 12,680.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.53 : 19,623.78 = 9,190.71 : x
  2. Step 2: Convert to fraction form
    14,223.53/19,623.78 = 9,190.71/x
  3. Step 3: Cross multiply
    14,223.53x = 19,623.78 × 9,190.71
  4. Step 4: Simplify right side
    14,223.53x = 180,356,471.08
  5. Step 5: Solve for x
    x = 180,356,471.08/14,223.53
  6. Step 6: Final answer
    x = 12,680.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.