Home / 13,159.87-19,742.42-4,277.45

Finding the Fourth Proportional to 13,159.87, 19,742.42 and 4,277.45

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Solution

The fourth proportional to 13,159.87, 19,742.42 and 4,277.45 is: 6,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,159.87 : 19,742.42 = 4,277.45 : x
  2. Step 2: Convert to fraction form
    13,159.87/19,742.42 = 4,277.45/x
  3. Step 3: Cross multiply
    13,159.87x = 19,742.42 × 4,277.45
  4. Step 4: Simplify right side
    13,159.87x = 84,447,274.48
  5. Step 5: Solve for x
    x = 84,447,274.48/13,159.87
  6. Step 6: Final answer
    x = 6,417.03

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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.