Home / 8,937.36-12,334.83-5,159.77

Finding the Fourth Proportional to 8,937.36, 12,334.83 and 5,159.77

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Solution

The fourth proportional to 8,937.36, 12,334.83 and 5,159.77 is: 7,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.36 : 12,334.83 = 5,159.77 : x
  2. Step 2: Convert to fraction form
    8,937.36/12,334.83 = 5,159.77/x
  3. Step 3: Cross multiply
    8,937.36x = 12,334.83 × 5,159.77
  4. Step 4: Simplify right side
    8,937.36x = 63,644,798.32
  5. Step 5: Solve for x
    x = 63,644,798.32/8,937.36
  6. Step 6: Final answer
    x = 7,121.21

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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.