Home / 9,885.03-13,644.51-6,530.82

Finding the Fourth Proportional to 9,885.03, 13,644.51 and 6,530.82

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Solution

The fourth proportional to 9,885.03, 13,644.51 and 6,530.82 is: 9,014.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.03 : 13,644.51 = 6,530.82 : x
  2. Step 2: Convert to fraction form
    9,885.03/13,644.51 = 6,530.82/x
  3. Step 3: Cross multiply
    9,885.03x = 13,644.51 × 6,530.82
  4. Step 4: Simplify right side
    9,885.03x = 89,109,838.80
  5. Step 5: Solve for x
    x = 89,109,838.80/9,885.03
  6. Step 6: Final answer
    x = 9,014.63

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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.