Home / 14,306.90-19,743.48-8,019.27

Finding the Fourth Proportional to 14,306.90, 19,743.48 and 8,019.27

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Solution

The fourth proportional to 14,306.90, 19,743.48 and 8,019.27 is: 11,066.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,306.90 : 19,743.48 = 8,019.27 : x
  2. Step 2: Convert to fraction form
    14,306.90/19,743.48 = 8,019.27/x
  3. Step 3: Cross multiply
    14,306.90x = 19,743.48 × 8,019.27
  4. Step 4: Simplify right side
    14,306.90x = 158,328,296.86
  5. Step 5: Solve for x
    x = 158,328,296.86/14,306.90
  6. Step 6: Final answer
    x = 11,066.57

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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.