Home / 14,421.28-21,632-6,099.20

Finding the Fourth Proportional to 14,421.28, 21,632 and 6,099.20

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Solution

The fourth proportional to 14,421.28, 21,632 and 6,099.20 is: 9,148.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.28 : 21,632 = 6,099.20 : x
  2. Step 2: Convert to fraction form
    14,421.28/21,632 = 6,099.20/x
  3. Step 3: Cross multiply
    14,421.28x = 21,632 × 6,099.20
  4. Step 4: Simplify right side
    14,421.28x = 131,937,894.40
  5. Step 5: Solve for x
    x = 131,937,894.40/14,421.28
  6. Step 6: Final answer
    x = 9,148.83

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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.