Home / 15,438.50-23,188.83-9,210.68

Finding the Fourth Proportional to 15,438.50, 23,188.83 and 9,210.68

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Solution

The fourth proportional to 15,438.50, 23,188.83 and 9,210.68 is: 13,834.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.50 : 23,188.83 = 9,210.68 : x
  2. Step 2: Convert to fraction form
    15,438.50/23,188.83 = 9,210.68/x
  3. Step 3: Cross multiply
    15,438.50x = 23,188.83 × 9,210.68
  4. Step 4: Simplify right side
    15,438.50x = 213,584,892.70
  5. Step 5: Solve for x
    x = 213,584,892.70/15,438.50
  6. Step 6: Final answer
    x = 13,834.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.