Home / 14,002.77-21,001.71-5,235.87

Finding the Fourth Proportional to 14,002.77, 21,001.71 and 5,235.87

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Solution

The fourth proportional to 14,002.77, 21,001.71 and 5,235.87 is: 7,852.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,002.77 : 21,001.71 = 5,235.87 : x
  2. Step 2: Convert to fraction form
    14,002.77/21,001.71 = 5,235.87/x
  3. Step 3: Cross multiply
    14,002.77x = 21,001.71 × 5,235.87
  4. Step 4: Simplify right side
    14,002.77x = 109,962,223.34
  5. Step 5: Solve for x
    x = 109,962,223.34/14,002.77
  6. Step 6: Final answer
    x = 7,852.89

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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.