Home / 11,320.17-15,621.93-6,846.90

Finding the Fourth Proportional to 11,320.17, 15,621.93 and 6,846.90

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Solution

The fourth proportional to 11,320.17, 15,621.93 and 6,846.90 is: 9,448.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,320.17 : 15,621.93 = 6,846.90 : x
  2. Step 2: Convert to fraction form
    11,320.17/15,621.93 = 6,846.90/x
  3. Step 3: Cross multiply
    11,320.17x = 15,621.93 × 6,846.90
  4. Step 4: Simplify right side
    11,320.17x = 106,961,792.52
  5. Step 5: Solve for x
    x = 106,961,792.52/11,320.17
  6. Step 6: Final answer
    x = 9,448.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.