Home / 13,380.60-18,466.56-10,017.48

Finding the Fourth Proportional to 13,380.60, 18,466.56 and 10,017.48

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Solution

The fourth proportional to 13,380.60, 18,466.56 and 10,017.48 is: 13,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,380.60 : 18,466.56 = 10,017.48 : x
  2. Step 2: Convert to fraction form
    13,380.60/18,466.56 = 10,017.48/x
  3. Step 3: Cross multiply
    13,380.60x = 18,466.56 × 10,017.48
  4. Step 4: Simplify right side
    13,380.60x = 184,988,395.47
  5. Step 5: Solve for x
    x = 184,988,395.47/13,380.60
  6. Step 6: Final answer
    x = 13,825.12

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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.