Home / 11,160.62-15,403.93-6,444.26

Finding the Fourth Proportional to 11,160.62, 15,403.93 and 6,444.26

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Solution

The fourth proportional to 11,160.62, 15,403.93 and 6,444.26 is: 8,894.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,160.62 : 15,403.93 = 6,444.26 : x
  2. Step 2: Convert to fraction form
    11,160.62/15,403.93 = 6,444.26/x
  3. Step 3: Cross multiply
    11,160.62x = 15,403.93 × 6,444.26
  4. Step 4: Simplify right side
    11,160.62x = 99,266,852.92
  5. Step 5: Solve for x
    x = 99,266,852.92/11,160.62
  6. Step 6: Final answer
    x = 8,894.39

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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.