Home / 11,336.36-15,612.90-9,763.88

Finding the Fourth Proportional to 11,336.36, 15,612.90 and 9,763.88

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Solution

The fourth proportional to 11,336.36, 15,612.90 and 9,763.88 is: 13,447.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,336.36 : 15,612.90 = 9,763.88 : x
  2. Step 2: Convert to fraction form
    11,336.36/15,612.90 = 9,763.88/x
  3. Step 3: Cross multiply
    11,336.36x = 15,612.90 × 9,763.88
  4. Step 4: Simplify right side
    11,336.36x = 152,442,482.05
  5. Step 5: Solve for x
    x = 152,442,482.05/11,336.36
  6. Step 6: Final answer
    x = 13,447.22

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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.