Home / 13,377.36-20,064.96-5,981.52

Finding the Fourth Proportional to 13,377.36, 20,064.96 and 5,981.52

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Solution

The fourth proportional to 13,377.36, 20,064.96 and 5,981.52 is: 8,971.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,377.36 : 20,064.96 = 5,981.52 : x
  2. Step 2: Convert to fraction form
    13,377.36/20,064.96 = 5,981.52/x
  3. Step 3: Cross multiply
    13,377.36x = 20,064.96 × 5,981.52
  4. Step 4: Simplify right side
    13,377.36x = 120,018,959.54
  5. Step 5: Solve for x
    x = 120,018,959.54/13,377.36
  6. Step 6: Final answer
    x = 8,971.80

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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.