Home / 10,422.77-15,626.87-5,225.81

Finding the Fourth Proportional to 10,422.77, 15,626.87 and 5,225.81

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Solution

The fourth proportional to 10,422.77, 15,626.87 and 5,225.81 is: 7,835.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,422.77 : 15,626.87 = 5,225.81 : x
  2. Step 2: Convert to fraction form
    10,422.77/15,626.87 = 5,225.81/x
  3. Step 3: Cross multiply
    10,422.77x = 15,626.87 × 5,225.81
  4. Step 4: Simplify right side
    10,422.77x = 81,663,027.39
  5. Step 5: Solve for x
    x = 81,663,027.39/10,422.77
  6. Step 6: Final answer
    x = 7,835.06

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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.