Home / 10,919.32-15,068.76-6,203.64

Finding the Fourth Proportional to 10,919.32, 15,068.76 and 6,203.64

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Solution

The fourth proportional to 10,919.32, 15,068.76 and 6,203.64 is: 8,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,919.32 : 15,068.76 = 6,203.64 : x
  2. Step 2: Convert to fraction form
    10,919.32/15,068.76 = 6,203.64/x
  3. Step 3: Cross multiply
    10,919.32x = 15,068.76 × 6,203.64
  4. Step 4: Simplify right side
    10,919.32x = 93,481,162.29
  5. Step 5: Solve for x
    x = 93,481,162.29/10,919.32
  6. Step 6: Final answer
    x = 8,561.08

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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.