Home / 11,810.50-16,287.23-9,117.41

Finding the Fourth Proportional to 11,810.50, 16,287.23 and 9,117.41

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Solution

The fourth proportional to 11,810.50, 16,287.23 and 9,117.41 is: 12,573.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,810.50 : 16,287.23 = 9,117.41 : x
  2. Step 2: Convert to fraction form
    11,810.50/16,287.23 = 9,117.41/x
  3. Step 3: Cross multiply
    11,810.50x = 16,287.23 × 9,117.41
  4. Step 4: Simplify right side
    11,810.50x = 148,497,353.67
  5. Step 5: Solve for x
    x = 148,497,353.67/11,810.50
  6. Step 6: Final answer
    x = 12,573.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.