Home / 14,306.13-19,742.24-7,845.75

Finding the Fourth Proportional to 14,306.13, 19,742.24 and 7,845.75

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Solution

The fourth proportional to 14,306.13, 19,742.24 and 7,845.75 is: 10,827.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.13 : 19,742.24 = 7,845.75 : x
  2. Step 2: Convert to fraction form
    14,306.13/19,742.24 = 7,845.75/x
  3. Step 3: Cross multiply
    14,306.13x = 19,742.24 × 7,845.75
  4. Step 4: Simplify right side
    14,306.13x = 154,892,640.25
  5. Step 5: Solve for x
    x = 154,892,640.25/14,306.13
  6. Step 6: Final answer
    x = 10,827.01

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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.