Home / 13,089.81-19,627.28-8,934.85

Finding the Fourth Proportional to 13,089.81, 19,627.28 and 8,934.85

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Solution

The fourth proportional to 13,089.81, 19,627.28 and 8,934.85 is: 13,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.81 : 19,627.28 = 8,934.85 : x
  2. Step 2: Convert to fraction form
    13,089.81/19,627.28 = 8,934.85/x
  3. Step 3: Cross multiply
    13,089.81x = 19,627.28 × 8,934.85
  4. Step 4: Simplify right side
    13,089.81x = 175,366,816.07
  5. Step 5: Solve for x
    x = 175,366,816.07/13,089.81
  6. Step 6: Final answer
    x = 13,397.20

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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.