Home / 14,208.16-21,307.92-4,972

Finding the Fourth Proportional to 14,208.16, 21,307.92 and 4,972

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Solution

The fourth proportional to 14,208.16, 21,307.92 and 4,972 is: 7,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,208.16 : 21,307.92 = 4,972 : x
  2. Step 2: Convert to fraction form
    14,208.16/21,307.92 = 4,972/x
  3. Step 3: Cross multiply
    14,208.16x = 21,307.92 × 4,972
  4. Step 4: Simplify right side
    14,208.16x = 105,942,978.24
  5. Step 5: Solve for x
    x = 105,942,978.24/14,208.16
  6. Step 6: Final answer
    x = 7,456.49

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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.