Home / 13,045.67-19,564.39-4,278.54

Finding the Fourth Proportional to 13,045.67, 19,564.39 and 4,278.54

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Solution

The fourth proportional to 13,045.67, 19,564.39 and 4,278.54 is: 6,416.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.67 : 19,564.39 = 4,278.54 : x
  2. Step 2: Convert to fraction form
    13,045.67/19,564.39 = 4,278.54/x
  3. Step 3: Cross multiply
    13,045.67x = 19,564.39 × 4,278.54
  4. Step 4: Simplify right side
    13,045.67x = 83,707,025.19
  5. Step 5: Solve for x
    x = 83,707,025.19/13,045.67
  6. Step 6: Final answer
    x = 6,416.46

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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.