Home / 15,188.88-22,791.84-6,430.35

Finding the Fourth Proportional to 15,188.88, 22,791.84 and 6,430.35

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Solution

The fourth proportional to 15,188.88, 22,791.84 and 6,430.35 is: 9,649.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,188.88 : 22,791.84 = 6,430.35 : x
  2. Step 2: Convert to fraction form
    15,188.88/22,791.84 = 6,430.35/x
  3. Step 3: Cross multiply
    15,188.88x = 22,791.84 × 6,430.35
  4. Step 4: Simplify right side
    15,188.88x = 146,559,508.34
  5. Step 5: Solve for x
    x = 146,559,508.34/15,188.88
  6. Step 6: Final answer
    x = 9,649.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.