Home / 13,132-18,117.60-7,466.08

Finding the Fourth Proportional to 13,132, 18,117.60 and 7,466.08

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Solution

The fourth proportional to 13,132, 18,117.60 and 7,466.08 is: 10,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132 : 18,117.60 = 7,466.08 : x
  2. Step 2: Convert to fraction form
    13,132/18,117.60 = 7,466.08/x
  3. Step 3: Cross multiply
    13,132x = 18,117.60 × 7,466.08
  4. Step 4: Simplify right side
    13,132x = 135,267,451.01
  5. Step 5: Solve for x
    x = 135,267,451.01/13,132
  6. Step 6: Final answer
    x = 10,300.60

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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.