Home / 8,943.68-12,346.72-5,588.36

Finding the Fourth Proportional to 8,943.68, 12,346.72 and 5,588.36

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Solution

The fourth proportional to 8,943.68, 12,346.72 and 5,588.36 is: 7,714.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,943.68 : 12,346.72 = 5,588.36 : x
  2. Step 2: Convert to fraction form
    8,943.68/12,346.72 = 5,588.36/x
  3. Step 3: Cross multiply
    8,943.68x = 12,346.72 × 5,588.36
  4. Step 4: Simplify right side
    8,943.68x = 68,997,916.18
  5. Step 5: Solve for x
    x = 68,997,916.18/8,943.68
  6. Step 6: Final answer
    x = 7,714.71

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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.