Home / 10,085.26-15,123.30-4,238.68

Finding the Fourth Proportional to 10,085.26, 15,123.30 and 4,238.68

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Solution

The fourth proportional to 10,085.26, 15,123.30 and 4,238.68 is: 6,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,085.26 : 15,123.30 = 4,238.68 : x
  2. Step 2: Convert to fraction form
    10,085.26/15,123.30 = 4,238.68/x
  3. Step 3: Cross multiply
    10,085.26x = 15,123.30 × 4,238.68
  4. Step 4: Simplify right side
    10,085.26x = 64,102,829.24
  5. Step 5: Solve for x
    x = 64,102,829.24/10,085.26
  6. Step 6: Final answer
    x = 6,356.09

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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.