Home / 9,021.26-13,510.86-8,709.80

Finding the Fourth Proportional to 9,021.26, 13,510.86 and 8,709.80

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Solution

The fourth proportional to 9,021.26, 13,510.86 and 8,709.80 is: 13,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.26 : 13,510.86 = 8,709.80 : x
  2. Step 2: Convert to fraction form
    9,021.26/13,510.86 = 8,709.80/x
  3. Step 3: Cross multiply
    9,021.26x = 13,510.86 × 8,709.80
  4. Step 4: Simplify right side
    9,021.26x = 117,676,888.43
  5. Step 5: Solve for x
    x = 117,676,888.43/9,021.26
  6. Step 6: Final answer
    x = 13,044.40

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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.