Home / 13,501.27-18,631.92-7,533.28

Finding the Fourth Proportional to 13,501.27, 18,631.92 and 7,533.28

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Solution

The fourth proportional to 13,501.27, 18,631.92 and 7,533.28 is: 10,396.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.27 : 18,631.92 = 7,533.28 : x
  2. Step 2: Convert to fraction form
    13,501.27/18,631.92 = 7,533.28/x
  3. Step 3: Cross multiply
    13,501.27x = 18,631.92 × 7,533.28
  4. Step 4: Simplify right side
    13,501.27x = 140,359,470.30
  5. Step 5: Solve for x
    x = 140,359,470.30/13,501.27
  6. Step 6: Final answer
    x = 10,396.02

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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.