Home / 11,423.16-15,763.14-6,706.80

Finding the Fourth Proportional to 11,423.16, 15,763.14 and 6,706.80

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Solution

The fourth proportional to 11,423.16, 15,763.14 and 6,706.80 is: 9,254.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,423.16 : 15,763.14 = 6,706.80 : x
  2. Step 2: Convert to fraction form
    11,423.16/15,763.14 = 6,706.80/x
  3. Step 3: Cross multiply
    11,423.16x = 15,763.14 × 6,706.80
  4. Step 4: Simplify right side
    11,423.16x = 105,720,227.35
  5. Step 5: Solve for x
    x = 105,720,227.35/11,423.16
  6. Step 6: Final answer
    x = 9,254.90

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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.