Home / 13,089.29-19,626.47-8,934.33

Finding the Fourth Proportional to 13,089.29, 19,626.47 and 8,934.33

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Solution

The fourth proportional to 13,089.29, 19,626.47 and 8,934.33 is: 13,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.29 : 19,626.47 = 8,934.33 : x
  2. Step 2: Convert to fraction form
    13,089.29/19,626.47 = 8,934.33/x
  3. Step 3: Cross multiply
    13,089.29x = 19,626.47 × 8,934.33
  4. Step 4: Simplify right side
    13,089.29x = 175,349,359.72
  5. Step 5: Solve for x
    x = 175,349,359.72/13,089.29
  6. Step 6: Final answer
    x = 13,396.40

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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.