Home / 13,432.61-18,537.78-7,464.66

Finding the Fourth Proportional to 13,432.61, 18,537.78 and 7,464.66

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Solution

The fourth proportional to 13,432.61, 18,537.78 and 7,464.66 is: 10,301.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,432.61 : 18,537.78 = 7,464.66 : x
  2. Step 2: Convert to fraction form
    13,432.61/18,537.78 = 7,464.66/x
  3. Step 3: Cross multiply
    13,432.61x = 18,537.78 × 7,464.66
  4. Step 4: Simplify right side
    13,432.61x = 138,378,224.85
  5. Step 5: Solve for x
    x = 138,378,224.85/13,432.61
  6. Step 6: Final answer
    x = 10,301.67

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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.