Home / 12,864.40-17,732.32-10,502.48

Finding the Fourth Proportional to 12,864.40, 17,732.32 and 10,502.48

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Solution

The fourth proportional to 12,864.40, 17,732.32 and 10,502.48 is: 14,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,864.40 : 17,732.32 = 10,502.48 : x
  2. Step 2: Convert to fraction form
    12,864.40/17,732.32 = 10,502.48/x
  3. Step 3: Cross multiply
    12,864.40x = 17,732.32 × 10,502.48
  4. Step 4: Simplify right side
    12,864.40x = 186,233,336.15
  5. Step 5: Solve for x
    x = 186,233,336.15/12,864.40
  6. Step 6: Final answer
    x = 14,476.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.