Home / 15,554.40-23,331.60-5,166.15

Finding the Fourth Proportional to 15,554.40, 23,331.60 and 5,166.15

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Solution

The fourth proportional to 15,554.40, 23,331.60 and 5,166.15 is: 7,749.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,554.40 : 23,331.60 = 5,166.15 : x
  2. Step 2: Convert to fraction form
    15,554.40/23,331.60 = 5,166.15/x
  3. Step 3: Cross multiply
    15,554.40x = 23,331.60 × 5,166.15
  4. Step 4: Simplify right side
    15,554.40x = 120,534,545.34
  5. Step 5: Solve for x
    x = 120,534,545.34/15,554.40
  6. Step 6: Final answer
    x = 7,749.23

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Double scale
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Similar ratio
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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.