Home / 11,368.98-15,689.88-6,334.20

Finding the Fourth Proportional to 11,368.98, 15,689.88 and 6,334.20

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Solution

The fourth proportional to 11,368.98, 15,689.88 and 6,334.20 is: 8,741.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,368.98 : 15,689.88 = 6,334.20 : x
  2. Step 2: Convert to fraction form
    11,368.98/15,689.88 = 6,334.20/x
  3. Step 3: Cross multiply
    11,368.98x = 15,689.88 × 6,334.20
  4. Step 4: Simplify right side
    11,368.98x = 99,382,837.90
  5. Step 5: Solve for x
    x = 99,382,837.90/11,368.98
  6. Step 6: Final answer
    x = 8,741.58

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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.