Home / 10,222.04-15,325.26-5,288.56

Finding the Fourth Proportional to 10,222.04, 15,325.26 and 5,288.56

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Solution

The fourth proportional to 10,222.04, 15,325.26 and 5,288.56 is: 7,928.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,222.04 : 15,325.26 = 5,288.56 : x
  2. Step 2: Convert to fraction form
    10,222.04/15,325.26 = 5,288.56/x
  3. Step 3: Cross multiply
    10,222.04x = 15,325.26 × 5,288.56
  4. Step 4: Simplify right side
    10,222.04x = 81,048,557.03
  5. Step 5: Solve for x
    x = 81,048,557.03/10,222.04
  6. Step 6: Final answer
    x = 7,928.80

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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.