Home / 13,803.81-20,699.37-4,442.10

Finding the Fourth Proportional to 13,803.81, 20,699.37 and 4,442.10

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Solution

The fourth proportional to 13,803.81, 20,699.37 and 4,442.10 is: 6,661.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,803.81 : 20,699.37 = 4,442.10 : x
  2. Step 2: Convert to fraction form
    13,803.81/20,699.37 = 4,442.10/x
  3. Step 3: Cross multiply
    13,803.81x = 20,699.37 × 4,442.10
  4. Step 4: Simplify right side
    13,803.81x = 91,948,671.48
  5. Step 5: Solve for x
    x = 91,948,671.48/13,803.81
  6. Step 6: Final answer
    x = 6,661.11

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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.