Home / 10,256.49-15,378.86-6,099.40

Finding the Fourth Proportional to 10,256.49, 15,378.86 and 6,099.40

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Solution

The fourth proportional to 10,256.49, 15,378.86 and 6,099.40 is: 9,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,256.49 : 15,378.86 = 6,099.40 : x
  2. Step 2: Convert to fraction form
    10,256.49/15,378.86 = 6,099.40/x
  3. Step 3: Cross multiply
    10,256.49x = 15,378.86 × 6,099.40
  4. Step 4: Simplify right side
    10,256.49x = 93,801,853.16
  5. Step 5: Solve for x
    x = 93,801,853.16/10,256.49
  6. Step 6: Final answer
    x = 9,145.61

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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.