Home / 11,108.04-15,328.85-6,196.19

Finding the Fourth Proportional to 11,108.04, 15,328.85 and 6,196.19

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Solution

The fourth proportional to 11,108.04, 15,328.85 and 6,196.19 is: 8,550.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,108.04 : 15,328.85 = 6,196.19 : x
  2. Step 2: Convert to fraction form
    11,108.04/15,328.85 = 6,196.19/x
  3. Step 3: Cross multiply
    11,108.04x = 15,328.85 × 6,196.19
  4. Step 4: Simplify right side
    11,108.04x = 94,980,359.46
  5. Step 5: Solve for x
    x = 94,980,359.46/11,108.04
  6. Step 6: Final answer
    x = 8,550.60

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Half scale
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Double scale
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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.