Home / 10,384.72-15,497.60-9,276.64

Finding the Fourth Proportional to 10,384.72, 15,497.60 and 9,276.64

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Solution

The fourth proportional to 10,384.72, 15,497.60 and 9,276.64 is: 13,843.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,384.72 : 15,497.60 = 9,276.64 : x
  2. Step 2: Convert to fraction form
    10,384.72/15,497.60 = 9,276.64/x
  3. Step 3: Cross multiply
    10,384.72x = 15,497.60 × 9,276.64
  4. Step 4: Simplify right side
    10,384.72x = 143,765,640.51
  5. Step 5: Solve for x
    x = 143,765,640.51/10,384.72
  6. Step 6: Final answer
    x = 13,843.96

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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.