Home / 9,432.42-13,016.74-5,240.67

Finding the Fourth Proportional to 9,432.42, 13,016.74 and 5,240.67

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Solution

The fourth proportional to 9,432.42, 13,016.74 and 5,240.67 is: 7,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,432.42 : 13,016.74 = 5,240.67 : x
  2. Step 2: Convert to fraction form
    9,432.42/13,016.74 = 5,240.67/x
  3. Step 3: Cross multiply
    9,432.42x = 13,016.74 × 5,240.67
  4. Step 4: Simplify right side
    9,432.42x = 68,216,474.69
  5. Step 5: Solve for x
    x = 68,216,474.69/9,432.42
  6. Step 6: Final answer
    x = 7,232.13

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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.