Home / 13,197.91-18,210.94-7,532.67

Finding the Fourth Proportional to 13,197.91, 18,210.94 and 7,532.67

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Solution

The fourth proportional to 13,197.91, 18,210.94 and 7,532.67 is: 10,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,197.91 : 18,210.94 = 7,532.67 : x
  2. Step 2: Convert to fraction form
    13,197.91/18,210.94 = 7,532.67/x
  3. Step 3: Cross multiply
    13,197.91x = 18,210.94 × 7,532.67
  4. Step 4: Simplify right side
    13,197.91x = 137,177,001.41
  5. Step 5: Solve for x
    x = 137,177,001.41/13,197.91
  6. Step 6: Final answer
    x = 10,393.84

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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.