Home / 9,549.48-13,173.84-6,364.38

Finding the Fourth Proportional to 9,549.48, 13,173.84 and 6,364.38

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Solution

The fourth proportional to 9,549.48, 13,173.84 and 6,364.38 is: 8,779.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,549.48 : 13,173.84 = 6,364.38 : x
  2. Step 2: Convert to fraction form
    9,549.48/13,173.84 = 6,364.38/x
  3. Step 3: Cross multiply
    9,549.48x = 13,173.84 × 6,364.38
  4. Step 4: Simplify right side
    9,549.48x = 83,843,323.82
  5. Step 5: Solve for x
    x = 83,843,323.82/9,549.48
  6. Step 6: Final answer
    x = 8,779.88

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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.