Home / 13,895.48-20,841.60-5,575.16

Finding the Fourth Proportional to 13,895.48, 20,841.60 and 5,575.16

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Solution

The fourth proportional to 13,895.48, 20,841.60 and 5,575.16 is: 8,362.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.48 : 20,841.60 = 5,575.16 : x
  2. Step 2: Convert to fraction form
    13,895.48/20,841.60 = 5,575.16/x
  3. Step 3: Cross multiply
    13,895.48x = 20,841.60 × 5,575.16
  4. Step 4: Simplify right side
    13,895.48x = 116,195,254.66
  5. Step 5: Solve for x
    x = 116,195,254.66/13,895.48
  6. Step 6: Final answer
    x = 8,362.09

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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.