Home / 13,435.11-18,539.60-7,466.42

Finding the Fourth Proportional to 13,435.11, 18,539.60 and 7,466.42

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Solution

The fourth proportional to 13,435.11, 18,539.60 and 7,466.42 is: 10,303.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,435.11 : 18,539.60 = 7,466.42 : x
  2. Step 2: Convert to fraction form
    13,435.11/18,539.60 = 7,466.42/x
  3. Step 3: Cross multiply
    13,435.11x = 18,539.60 × 7,466.42
  4. Step 4: Simplify right side
    13,435.11x = 138,424,449.25
  5. Step 5: Solve for x
    x = 138,424,449.25/13,435.11
  6. Step 6: Final answer
    x = 10,303.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.