Home / 21,664.98-32,483.07-7,812.18

Finding the Fourth Proportional to 21,664.98, 32,483.07 and 7,812.18

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Solution

The fourth proportional to 21,664.98, 32,483.07 and 7,812.18 is: 11,713.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,664.98 : 32,483.07 = 7,812.18 : x
  2. Step 2: Convert to fraction form
    21,664.98/32,483.07 = 7,812.18/x
  3. Step 3: Cross multiply
    21,664.98x = 32,483.07 × 7,812.18
  4. Step 4: Simplify right side
    21,664.98x = 253,763,589.79
  5. Step 5: Solve for x
    x = 253,763,589.79/21,664.98
  6. Step 6: Final answer
    x = 11,713.08

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1.5x scale

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.