Home / 14,324.80-21,448.32-7,385.60

Finding the Fourth Proportional to 14,324.80, 21,448.32 and 7,385.60

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Solution

The fourth proportional to 14,324.80, 21,448.32 and 7,385.60 is: 11,058.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,324.80 : 21,448.32 = 7,385.60 : x
  2. Step 2: Convert to fraction form
    14,324.80/21,448.32 = 7,385.60/x
  3. Step 3: Cross multiply
    14,324.80x = 21,448.32 × 7,385.60
  4. Step 4: Simplify right side
    14,324.80x = 158,408,712.19
  5. Step 5: Solve for x
    x = 158,408,712.19/14,324.80
  6. Step 6: Final answer
    x = 11,058.35

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1.5x scale

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.