Home / 11,118.96-16,695.12-6,985.08

Finding the Fourth Proportional to 11,118.96, 16,695.12 and 6,985.08

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Solution

The fourth proportional to 11,118.96, 16,695.12 and 6,985.08 is: 10,488.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,118.96 : 16,695.12 = 6,985.08 : x
  2. Step 2: Convert to fraction form
    11,118.96/16,695.12 = 6,985.08/x
  3. Step 3: Cross multiply
    11,118.96x = 16,695.12 × 6,985.08
  4. Step 4: Simplify right side
    11,118.96x = 116,616,748.81
  5. Step 5: Solve for x
    x = 116,616,748.81/11,118.96
  6. Step 6: Final answer
    x = 10,488.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.