Home / 21,663.40-32,497.26-7,809.16

Finding the Fourth Proportional to 21,663.40, 32,497.26 and 7,809.16

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Solution

The fourth proportional to 21,663.40, 32,497.26 and 7,809.16 is: 11,714.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,663.40 : 32,497.26 = 7,809.16 : x
  2. Step 2: Convert to fraction form
    21,663.40/32,497.26 = 7,809.16/x
  3. Step 3: Cross multiply
    21,663.40x = 32,497.26 × 7,809.16
  4. Step 4: Simplify right side
    21,663.40x = 253,776,302.90
  5. Step 5: Solve for x
    x = 253,776,302.90/21,663.40
  6. Step 6: Final answer
    x = 11,714.52

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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.