Home / 11,354.90-15,669.27-6,319.33

Finding the Fourth Proportional to 11,354.90, 15,669.27 and 6,319.33

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Solution

The fourth proportional to 11,354.90, 15,669.27 and 6,319.33 is: 8,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,354.90 : 15,669.27 = 6,319.33 : x
  2. Step 2: Convert to fraction form
    11,354.90/15,669.27 = 6,319.33/x
  3. Step 3: Cross multiply
    11,354.90x = 15,669.27 × 6,319.33
  4. Step 4: Simplify right side
    11,354.90x = 99,019,248.82
  5. Step 5: Solve for x
    x = 99,019,248.82/11,354.90
  6. Step 6: Final answer
    x = 8,720.40

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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.