Home / 13,333.11-19,992.95-4,445.29

Finding the Fourth Proportional to 13,333.11, 19,992.95 and 4,445.29

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Solution

The fourth proportional to 13,333.11, 19,992.95 and 4,445.29 is: 6,665.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,333.11 : 19,992.95 = 4,445.29 : x
  2. Step 2: Convert to fraction form
    13,333.11/19,992.95 = 4,445.29/x
  3. Step 3: Cross multiply
    13,333.11x = 19,992.95 × 4,445.29
  4. Step 4: Simplify right side
    13,333.11x = 88,874,460.71
  5. Step 5: Solve for x
    x = 88,874,460.71/13,333.11
  6. Step 6: Final answer
    x = 6,665.70

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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.