Home / 10,621.48-15,928.14-5,070.60

Finding the Fourth Proportional to 10,621.48, 15,928.14 and 5,070.60

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Solution

The fourth proportional to 10,621.48, 15,928.14 and 5,070.60 is: 7,603.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,621.48 : 15,928.14 = 5,070.60 : x
  2. Step 2: Convert to fraction form
    10,621.48/15,928.14 = 5,070.60/x
  3. Step 3: Cross multiply
    10,621.48x = 15,928.14 × 5,070.60
  4. Step 4: Simplify right side
    10,621.48x = 80,765,226.68
  5. Step 5: Solve for x
    x = 80,765,226.68/10,621.48
  6. Step 6: Final answer
    x = 7,603.95

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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.