Home / 14,455.67-21,688.79-10,328.15

Finding the Fourth Proportional to 14,455.67, 21,688.79 and 10,328.15

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Solution

The fourth proportional to 14,455.67, 21,688.79 and 10,328.15 is: 15,496.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.67 : 21,688.79 = 10,328.15 : x
  2. Step 2: Convert to fraction form
    14,455.67/21,688.79 = 10,328.15/x
  3. Step 3: Cross multiply
    14,455.67x = 21,688.79 × 10,328.15
  4. Step 4: Simplify right side
    14,455.67x = 224,005,079.02
  5. Step 5: Solve for x
    x = 224,005,079.02/14,455.67
  6. Step 6: Final answer
    x = 15,496.01

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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.