Home / 15,453.99-23,123.55-9,217.40

Finding the Fourth Proportional to 15,453.99, 23,123.55 and 9,217.40

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Solution

The fourth proportional to 15,453.99, 23,123.55 and 9,217.40 is: 13,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,453.99 : 23,123.55 = 9,217.40 : x
  2. Step 2: Convert to fraction form
    15,453.99/23,123.55 = 9,217.40/x
  3. Step 3: Cross multiply
    15,453.99x = 23,123.55 × 9,217.40
  4. Step 4: Simplify right side
    15,453.99x = 213,138,894.15
  5. Step 5: Solve for x
    x = 213,138,894.15/15,453.99
  6. Step 6: Final answer
    x = 13,791.84

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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.