Home / 9,861.32-14,721.70-9,515.27

Finding the Fourth Proportional to 9,861.32, 14,721.70 and 9,515.27

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Solution

The fourth proportional to 9,861.32, 14,721.70 and 9,515.27 is: 14,205.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.32 : 14,721.70 = 9,515.27 : x
  2. Step 2: Convert to fraction form
    9,861.32/14,721.70 = 9,515.27/x
  3. Step 3: Cross multiply
    9,861.32x = 14,721.70 × 9,515.27
  4. Step 4: Simplify right side
    9,861.32x = 140,080,981.22
  5. Step 5: Solve for x
    x = 140,080,981.22/9,861.32
  6. Step 6: Final answer
    x = 14,205.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.