Home / 13,331.48-19,990.51-4,443.66

Finding the Fourth Proportional to 13,331.48, 19,990.51 and 4,443.66

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Solution

The fourth proportional to 13,331.48, 19,990.51 and 4,443.66 is: 6,663.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,331.48 : 19,990.51 = 4,443.66 : x
  2. Step 2: Convert to fraction form
    13,331.48/19,990.51 = 4,443.66/x
  3. Step 3: Cross multiply
    13,331.48x = 19,990.51 × 4,443.66
  4. Step 4: Simplify right side
    13,331.48x = 88,831,029.67
  5. Step 5: Solve for x
    x = 88,831,029.67/13,331.48
  6. Step 6: Final answer
    x = 6,663.25

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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.