Home / 14,389.23-21,569.99-7,372.55

Finding the Fourth Proportional to 14,389.23, 21,569.99 and 7,372.55

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Solution

The fourth proportional to 14,389.23, 21,569.99 and 7,372.55 is: 11,051.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,389.23 : 21,569.99 = 7,372.55 : x
  2. Step 2: Convert to fraction form
    14,389.23/21,569.99 = 7,372.55/x
  3. Step 3: Cross multiply
    14,389.23x = 21,569.99 × 7,372.55
  4. Step 4: Simplify right side
    14,389.23x = 159,025,740.36
  5. Step 5: Solve for x
    x = 159,025,740.36/14,389.23
  6. Step 6: Final answer
    x = 11,051.72

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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.