Home / 15,536.71-21,440.68-8,463.16

Finding the Fourth Proportional to 15,536.71, 21,440.68 and 8,463.16

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Solution

The fourth proportional to 15,536.71, 21,440.68 and 8,463.16 is: 11,679.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,536.71 : 21,440.68 = 8,463.16 : x
  2. Step 2: Convert to fraction form
    15,536.71/21,440.68 = 8,463.16/x
  3. Step 3: Cross multiply
    15,536.71x = 21,440.68 × 8,463.16
  4. Step 4: Simplify right side
    15,536.71x = 181,455,798.15
  5. Step 5: Solve for x
    x = 181,455,798.15/15,536.71
  6. Step 6: Final answer
    x = 11,679.17

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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.