Home / 14,393.04-21,558.28-6,981.92

Finding the Fourth Proportional to 14,393.04, 21,558.28 and 6,981.92

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Solution

The fourth proportional to 14,393.04, 21,558.28 and 6,981.92 is: 10,457.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,393.04 : 21,558.28 = 6,981.92 : x
  2. Step 2: Convert to fraction form
    14,393.04/21,558.28 = 6,981.92/x
  3. Step 3: Cross multiply
    14,393.04x = 21,558.28 × 6,981.92
  4. Step 4: Simplify right side
    14,393.04x = 150,518,186.30
  5. Step 5: Solve for x
    x = 150,518,186.30/14,393.04
  6. Step 6: Final answer
    x = 10,457.71

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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.