Home / 9,887.85-13,641.53-6,353.15

Finding the Fourth Proportional to 9,887.85, 13,641.53 and 6,353.15

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Solution

The fourth proportional to 9,887.85, 13,641.53 and 6,353.15 is: 8,764.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.85 : 13,641.53 = 6,353.15 : x
  2. Step 2: Convert to fraction form
    9,887.85/13,641.53 = 6,353.15/x
  3. Step 3: Cross multiply
    9,887.85x = 13,641.53 × 6,353.15
  4. Step 4: Simplify right side
    9,887.85x = 86,666,586.35
  5. Step 5: Solve for x
    x = 86,666,586.35/9,887.85
  6. Step 6: Final answer
    x = 8,764.96

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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.