Home / 14,001.69-21,010.80-5,116.23

Finding the Fourth Proportional to 14,001.69, 21,010.80 and 5,116.23

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Solution

The fourth proportional to 14,001.69, 21,010.80 and 5,116.23 is: 7,677.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.69 : 21,010.80 = 5,116.23 : x
  2. Step 2: Convert to fraction form
    14,001.69/21,010.80 = 5,116.23/x
  3. Step 3: Cross multiply
    14,001.69x = 21,010.80 × 5,116.23
  4. Step 4: Simplify right side
    14,001.69x = 107,495,954.65
  5. Step 5: Solve for x
    x = 107,495,954.65/14,001.69
  6. Step 6: Final answer
    x = 7,677.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.