Home / 11,935.13-16,472.88-6,899.55

Finding the Fourth Proportional to 11,935.13, 16,472.88 and 6,899.55

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Solution

The fourth proportional to 11,935.13, 16,472.88 and 6,899.55 is: 9,522.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,935.13 : 16,472.88 = 6,899.55 : x
  2. Step 2: Convert to fraction form
    11,935.13/16,472.88 = 6,899.55/x
  3. Step 3: Cross multiply
    11,935.13x = 16,472.88 × 6,899.55
  4. Step 4: Simplify right side
    11,935.13x = 113,655,459.20
  5. Step 5: Solve for x
    x = 113,655,459.20/11,935.13
  6. Step 6: Final answer
    x = 9,522.77

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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.