Home / 12,356.10-17,033.85-7,637.70

Finding the Fourth Proportional to 12,356.10, 17,033.85 and 7,637.70

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Solution

The fourth proportional to 12,356.10, 17,033.85 and 7,637.70 is: 10,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,356.10 : 17,033.85 = 7,637.70 : x
  2. Step 2: Convert to fraction form
    12,356.10/17,033.85 = 7,637.70/x
  3. Step 3: Cross multiply
    12,356.10x = 17,033.85 × 7,637.70
  4. Step 4: Simplify right side
    12,356.10x = 130,099,436.15
  5. Step 5: Solve for x
    x = 130,099,436.15/12,356.10
  6. Step 6: Final answer
    x = 10,529.17

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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.