Home / 11,808.51-16,295.85-6,503.35

Finding the Fourth Proportional to 11,808.51, 16,295.85 and 6,503.35

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Solution

The fourth proportional to 11,808.51, 16,295.85 and 6,503.35 is: 8,974.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,808.51 : 16,295.85 = 6,503.35 : x
  2. Step 2: Convert to fraction form
    11,808.51/16,295.85 = 6,503.35/x
  3. Step 3: Cross multiply
    11,808.51x = 16,295.85 × 6,503.35
  4. Step 4: Simplify right side
    11,808.51x = 105,977,502.10
  5. Step 5: Solve for x
    x = 105,977,502.10/11,808.51
  6. Step 6: Final answer
    x = 8,974.68

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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.