Home / 10,487.64-15,733.62-8,768.28

Finding the Fourth Proportional to 10,487.64, 15,733.62 and 8,768.28

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Solution

The fourth proportional to 10,487.64, 15,733.62 and 8,768.28 is: 13,154.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487.64 : 15,733.62 = 8,768.28 : x
  2. Step 2: Convert to fraction form
    10,487.64/15,733.62 = 8,768.28/x
  3. Step 3: Cross multiply
    10,487.64x = 15,733.62 × 8,768.28
  4. Step 4: Simplify right side
    10,487.64x = 137,956,785.57
  5. Step 5: Solve for x
    x = 137,956,785.57/10,487.64
  6. Step 6: Final answer
    x = 13,154.23

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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.