Home / 13,394.02-20,058.22-9,435.55

Finding the Fourth Proportional to 13,394.02, 20,058.22 and 9,435.55

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Solution

The fourth proportional to 13,394.02, 20,058.22 and 9,435.55 is: 14,130.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,394.02 : 20,058.22 = 9,435.55 : x
  2. Step 2: Convert to fraction form
    13,394.02/20,058.22 = 9,435.55/x
  3. Step 3: Cross multiply
    13,394.02x = 20,058.22 × 9,435.55
  4. Step 4: Simplify right side
    13,394.02x = 189,260,361.31
  5. Step 5: Solve for x
    x = 189,260,361.31/13,394.02
  6. Step 6: Final answer
    x = 14,130.21

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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.