Home / 10,767.60-14,858.80-6,291.76

Finding the Fourth Proportional to 10,767.60, 14,858.80 and 6,291.76

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Solution

The fourth proportional to 10,767.60, 14,858.80 and 6,291.76 is: 8,682.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,767.60 : 14,858.80 = 6,291.76 : x
  2. Step 2: Convert to fraction form
    10,767.60/14,858.80 = 6,291.76/x
  3. Step 3: Cross multiply
    10,767.60x = 14,858.80 × 6,291.76
  4. Step 4: Simplify right side
    10,767.60x = 93,488,003.49
  5. Step 5: Solve for x
    x = 93,488,003.49/10,767.60
  6. Step 6: Final answer
    x = 8,682.34

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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.