Home / 11,808.72-16,296.15-6,503.70

Finding the Fourth Proportional to 11,808.72, 16,296.15 and 6,503.70

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Solution

The fourth proportional to 11,808.72, 16,296.15 and 6,503.70 is: 8,975.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.72 : 16,296.15 = 6,503.70 : x
  2. Step 2: Convert to fraction form
    11,808.72/16,296.15 = 6,503.70/x
  3. Step 3: Cross multiply
    11,808.72x = 16,296.15 × 6,503.70
  4. Step 4: Simplify right side
    11,808.72x = 105,985,270.76
  5. Step 5: Solve for x
    x = 105,985,270.76/11,808.72
  6. Step 6: Final answer
    x = 8,975.17

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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.