Home / 14,001.29-21,006.03-4,140.83

Finding the Fourth Proportional to 14,001.29, 21,006.03 and 4,140.83

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Solution

The fourth proportional to 14,001.29, 21,006.03 and 4,140.83 is: 6,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,001.29 : 21,006.03 = 4,140.83 : x
  2. Step 2: Convert to fraction form
    14,001.29/21,006.03 = 4,140.83/x
  3. Step 3: Cross multiply
    14,001.29x = 21,006.03 × 4,140.83
  4. Step 4: Simplify right side
    14,001.29x = 86,982,294.17
  5. Step 5: Solve for x
    x = 86,982,294.17/14,001.29
  6. Step 6: Final answer
    x = 6,212.45

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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.