Home / 21,748.07-32,612.88-7,711.63

Finding the Fourth Proportional to 21,748.07, 32,612.88 and 7,711.63

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Solution

The fourth proportional to 21,748.07, 32,612.88 and 7,711.63 is: 11,564.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,748.07 : 32,612.88 = 7,711.63 : x
  2. Step 2: Convert to fraction form
    21,748.07/32,612.88 = 7,711.63/x
  3. Step 3: Cross multiply
    21,748.07x = 32,612.88 × 7,711.63
  4. Step 4: Simplify right side
    21,748.07x = 251,498,459.53
  5. Step 5: Solve for x
    x = 251,498,459.53/21,748.07
  6. Step 6: Final answer
    x = 11,564.17

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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.