Home / 13,126.19-19,689.29-3,265.47

Finding the Fourth Proportional to 13,126.19, 19,689.29 and 3,265.47

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Solution

The fourth proportional to 13,126.19, 19,689.29 and 3,265.47 is: 4,898.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,126.19 : 19,689.29 = 3,265.47 : x
  2. Step 2: Convert to fraction form
    13,126.19/19,689.29 = 3,265.47/x
  3. Step 3: Cross multiply
    13,126.19x = 19,689.29 × 3,265.47
  4. Step 4: Simplify right side
    13,126.19x = 64,294,744.76
  5. Step 5: Solve for x
    x = 64,294,744.76/13,126.19
  6. Step 6: Final answer
    x = 4,898.20

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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.