Home / 9,122.63-13,709.58-5,425.52

Finding the Fourth Proportional to 9,122.63, 13,709.58 and 5,425.52

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Solution

The fourth proportional to 9,122.63, 13,709.58 and 5,425.52 is: 8,153.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,122.63 : 13,709.58 = 5,425.52 : x
  2. Step 2: Convert to fraction form
    9,122.63/13,709.58 = 5,425.52/x
  3. Step 3: Cross multiply
    9,122.63x = 13,709.58 × 5,425.52
  4. Step 4: Simplify right side
    9,122.63x = 74,381,600.48
  5. Step 5: Solve for x
    x = 74,381,600.48/9,122.63
  6. Step 6: Final answer
    x = 8,153.53

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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.