Home / 13,333.23-19,993.11-4,445.40

Finding the Fourth Proportional to 13,333.23, 19,993.11 and 4,445.40

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Solution

The fourth proportional to 13,333.23, 19,993.11 and 4,445.40 is: 6,665.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.23 : 19,993.11 = 4,445.40 : x
  2. Step 2: Convert to fraction form
    13,333.23/19,993.11 = 4,445.40/x
  3. Step 3: Cross multiply
    13,333.23x = 19,993.11 × 4,445.40
  4. Step 4: Simplify right side
    13,333.23x = 88,877,371.19
  5. Step 5: Solve for x
    x = 88,877,371.19/13,333.23
  6. Step 6: Final answer
    x = 6,665.85

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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.