Home / 11,341.30-15,646.69-8,364.22

Finding the Fourth Proportional to 11,341.30, 15,646.69 and 8,364.22

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Solution

The fourth proportional to 11,341.30, 15,646.69 and 8,364.22 is: 11,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,341.30 : 15,646.69 = 8,364.22 : x
  2. Step 2: Convert to fraction form
    11,341.30/15,646.69 = 8,364.22/x
  3. Step 3: Cross multiply
    11,341.30x = 15,646.69 × 8,364.22
  4. Step 4: Simplify right side
    11,341.30x = 130,872,357.43
  5. Step 5: Solve for x
    x = 130,872,357.43/11,341.30
  6. Step 6: Final answer
    x = 11,539.45

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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.