Home / 13,057.50-19,577.34-4,291.14

Finding the Fourth Proportional to 13,057.50, 19,577.34 and 4,291.14

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Solution

The fourth proportional to 13,057.50, 19,577.34 and 4,291.14 is: 6,433.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,057.50 : 19,577.34 = 4,291.14 : x
  2. Step 2: Convert to fraction form
    13,057.50/19,577.34 = 4,291.14/x
  3. Step 3: Cross multiply
    13,057.50x = 19,577.34 × 4,291.14
  4. Step 4: Simplify right side
    13,057.50x = 84,009,106.77
  5. Step 5: Solve for x
    x = 84,009,106.77/13,057.50
  6. Step 6: Final answer
    x = 6,433.78

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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.