Home / 10,137.07-13,988.32-5,886.78

Finding the Fourth Proportional to 10,137.07, 13,988.32 and 5,886.78

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Solution

The fourth proportional to 10,137.07, 13,988.32 and 5,886.78 is: 8,123.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,137.07 : 13,988.32 = 5,886.78 : x
  2. Step 2: Convert to fraction form
    10,137.07/13,988.32 = 5,886.78/x
  3. Step 3: Cross multiply
    10,137.07x = 13,988.32 × 5,886.78
  4. Step 4: Simplify right side
    10,137.07x = 82,346,169.77
  5. Step 5: Solve for x
    x = 82,346,169.77/10,137.07
  6. Step 6: Final answer
    x = 8,123.27

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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.