Home / 11,055.03-16,587.09-7,108.35

Finding the Fourth Proportional to 11,055.03, 16,587.09 and 7,108.35

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Solution

The fourth proportional to 11,055.03, 16,587.09 and 7,108.35 is: 10,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.03 : 16,587.09 = 7,108.35 : x
  2. Step 2: Convert to fraction form
    11,055.03/16,587.09 = 7,108.35/x
  3. Step 3: Cross multiply
    11,055.03x = 16,587.09 × 7,108.35
  4. Step 4: Simplify right side
    11,055.03x = 117,906,841.20
  5. Step 5: Solve for x
    x = 117,906,841.20/11,055.03
  6. Step 6: Final answer
    x = 10,665.45

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Double scale
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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.