Home / 14,409.04-21,623.28-5,642.86

Finding the Fourth Proportional to 14,409.04, 21,623.28 and 5,642.86

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Solution

The fourth proportional to 14,409.04, 21,623.28 and 5,642.86 is: 8,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.04 : 21,623.28 = 5,642.86 : x
  2. Step 2: Convert to fraction form
    14,409.04/21,623.28 = 5,642.86/x
  3. Step 3: Cross multiply
    14,409.04x = 21,623.28 × 5,642.86
  4. Step 4: Simplify right side
    14,409.04x = 122,017,141.78
  5. Step 5: Solve for x
    x = 122,017,141.78/14,409.04
  6. Step 6: Final answer
    x = 8,468.10

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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.