Home / 13,503.72-18,635.08-7,535.32

Finding the Fourth Proportional to 13,503.72, 18,635.08 and 7,535.32

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Solution

The fourth proportional to 13,503.72, 18,635.08 and 7,535.32 is: 10,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,503.72 : 18,635.08 = 7,535.32 : x
  2. Step 2: Convert to fraction form
    13,503.72/18,635.08 = 7,535.32/x
  3. Step 3: Cross multiply
    13,503.72x = 18,635.08 × 7,535.32
  4. Step 4: Simplify right side
    13,503.72x = 140,421,291.03
  5. Step 5: Solve for x
    x = 140,421,291.03/13,503.72
  6. Step 6: Final answer
    x = 10,398.71

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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.