Home / 14,212.29-19,613.30-7,838.97

Finding the Fourth Proportional to 14,212.29, 19,613.30 and 7,838.97

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Solution

The fourth proportional to 14,212.29, 19,613.30 and 7,838.97 is: 10,817.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,212.29 : 19,613.30 = 7,838.97 : x
  2. Step 2: Convert to fraction form
    14,212.29/19,613.30 = 7,838.97/x
  3. Step 3: Cross multiply
    14,212.29x = 19,613.30 × 7,838.97
  4. Step 4: Simplify right side
    14,212.29x = 153,748,070.30
  5. Step 5: Solve for x
    x = 153,748,070.30/14,212.29
  6. Step 6: Final answer
    x = 10,817.97

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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.