Home / 14,328.56-21,478.26-13,267.87

Finding the Fourth Proportional to 14,328.56, 21,478.26 and 13,267.87

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Solution

The fourth proportional to 14,328.56, 21,478.26 and 13,267.87 is: 19,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.56 : 21,478.26 = 13,267.87 : x
  2. Step 2: Convert to fraction form
    14,328.56/21,478.26 = 13,267.87/x
  3. Step 3: Cross multiply
    14,328.56x = 21,478.26 × 13,267.87
  4. Step 4: Simplify right side
    14,328.56x = 284,970,761.51
  5. Step 5: Solve for x
    x = 284,970,761.51/14,328.56
  6. Step 6: Final answer
    x = 19,888.30

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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.