Home / 10,635.90-14,676.84-5,920.08

Finding the Fourth Proportional to 10,635.90, 14,676.84 and 5,920.08

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Solution

The fourth proportional to 10,635.90, 14,676.84 and 5,920.08 is: 8,169.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,635.90 : 14,676.84 = 5,920.08 : x
  2. Step 2: Convert to fraction form
    10,635.90/14,676.84 = 5,920.08/x
  3. Step 3: Cross multiply
    10,635.90x = 14,676.84 × 5,920.08
  4. Step 4: Simplify right side
    10,635.90x = 86,888,066.95
  5. Step 5: Solve for x
    x = 86,888,066.95/10,635.90
  6. Step 6: Final answer
    x = 8,169.32

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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.