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Finding the Fourth Proportional to 14,663.48, 21,993.08 and 4,803.16

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Solution

The fourth proportional to 14,663.48, 21,993.08 and 4,803.16 is: 7,204.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,663.48 : 21,993.08 = 4,803.16 : x
  2. Step 2: Convert to fraction form
    14,663.48/21,993.08 = 4,803.16/x
  3. Step 3: Cross multiply
    14,663.48x = 21,993.08 × 4,803.16
  4. Step 4: Simplify right side
    14,663.48x = 105,636,282.13
  5. Step 5: Solve for x
    x = 105,636,282.13/14,663.48
  6. Step 6: Final answer
    x = 7,204.04

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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.