Home / 13,501.11-18,631.60-7,533.12

Finding the Fourth Proportional to 13,501.11, 18,631.60 and 7,533.12

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Solution

The fourth proportional to 13,501.11, 18,631.60 and 7,533.12 is: 10,395.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.11 : 18,631.60 = 7,533.12 : x
  2. Step 2: Convert to fraction form
    13,501.11/18,631.60 = 7,533.12/x
  3. Step 3: Cross multiply
    13,501.11x = 18,631.60 × 7,533.12
  4. Step 4: Simplify right side
    13,501.11x = 140,354,067.20
  5. Step 5: Solve for x
    x = 140,354,067.20/13,501.11
  6. Step 6: Final answer
    x = 10,395.74

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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.