Home / 10,139.40-15,197.22-4,586.28

Finding the Fourth Proportional to 10,139.40, 15,197.22 and 4,586.28

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Solution

The fourth proportional to 10,139.40, 15,197.22 and 4,586.28 is: 6,874.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,139.40 : 15,197.22 = 4,586.28 : x
  2. Step 2: Convert to fraction form
    10,139.40/15,197.22 = 4,586.28/x
  3. Step 3: Cross multiply
    10,139.40x = 15,197.22 × 4,586.28
  4. Step 4: Simplify right side
    10,139.40x = 69,698,706.14
  5. Step 5: Solve for x
    x = 69,698,706.14/10,139.40
  6. Step 6: Final answer
    x = 6,874.05

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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.