Home / 14,385.36-21,452.90-12,792.52

Finding the Fourth Proportional to 14,385.36, 21,452.90 and 12,792.52

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Solution

The fourth proportional to 14,385.36, 21,452.90 and 12,792.52 is: 19,077.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,385.36 : 21,452.90 = 12,792.52 : x
  2. Step 2: Convert to fraction form
    14,385.36/21,452.90 = 12,792.52/x
  3. Step 3: Cross multiply
    14,385.36x = 21,452.90 × 12,792.52
  4. Step 4: Simplify right side
    14,385.36x = 274,436,652.31
  5. Step 5: Solve for x
    x = 274,436,652.31/14,385.36
  6. Step 6: Final answer
    x = 19,077.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.