Home / 10,211.32-15,309.69-4,364.74

Finding the Fourth Proportional to 10,211.32, 15,309.69 and 4,364.74

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Solution

The fourth proportional to 10,211.32, 15,309.69 and 4,364.74 is: 6,543.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,211.32 : 15,309.69 = 4,364.74 : x
  2. Step 2: Convert to fraction form
    10,211.32/15,309.69 = 4,364.74/x
  3. Step 3: Cross multiply
    10,211.32x = 15,309.69 × 4,364.74
  4. Step 4: Simplify right side
    10,211.32x = 66,822,816.33
  5. Step 5: Solve for x
    x = 66,822,816.33/10,211.32
  6. Step 6: Final answer
    x = 6,543.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.