Home / 13,260.11-19,894.06-5,358.55

Finding the Fourth Proportional to 13,260.11, 19,894.06 and 5,358.55

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Solution

The fourth proportional to 13,260.11, 19,894.06 and 5,358.55 is: 8,039.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,260.11 : 19,894.06 = 5,358.55 : x
  2. Step 2: Convert to fraction form
    13,260.11/19,894.06 = 5,358.55/x
  3. Step 3: Cross multiply
    13,260.11x = 19,894.06 × 5,358.55
  4. Step 4: Simplify right side
    13,260.11x = 106,603,315.21
  5. Step 5: Solve for x
    x = 106,603,315.21/13,260.11
  6. Step 6: Final answer
    x = 8,039.40

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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.