Home / 10,139.26-15,208.90-6,235.47

Finding the Fourth Proportional to 10,139.26, 15,208.90 and 6,235.47

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Solution

The fourth proportional to 10,139.26, 15,208.90 and 6,235.47 is: 9,353.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.26 : 15,208.90 = 6,235.47 : x
  2. Step 2: Convert to fraction form
    10,139.26/15,208.90 = 6,235.47/x
  3. Step 3: Cross multiply
    10,139.26x = 15,208.90 × 6,235.47
  4. Step 4: Simplify right side
    10,139.26x = 94,834,639.68
  5. Step 5: Solve for x
    x = 94,834,639.68/10,139.26
  6. Step 6: Final answer
    x = 9,353.21

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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.