Home / 14,223.93-19,629.12-7,850.72

Finding the Fourth Proportional to 14,223.93, 19,629.12 and 7,850.72

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Solution

The fourth proportional to 14,223.93, 19,629.12 and 7,850.72 is: 10,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,223.93 : 19,629.12 = 7,850.72 : x
  2. Step 2: Convert to fraction form
    14,223.93/19,629.12 = 7,850.72/x
  3. Step 3: Cross multiply
    14,223.93x = 19,629.12 × 7,850.72
  4. Step 4: Simplify right side
    14,223.93x = 154,102,774.04
  5. Step 5: Solve for x
    x = 154,102,774.04/14,223.93
  6. Step 6: Final answer
    x = 10,834.05

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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.