Home / 21,639.84-32,461.62-7,598.66

Finding the Fourth Proportional to 21,639.84, 32,461.62 and 7,598.66

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Solution

The fourth proportional to 21,639.84, 32,461.62 and 7,598.66 is: 11,398.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,639.84 : 32,461.62 = 7,598.66 : x
  2. Step 2: Convert to fraction form
    21,639.84/32,461.62 = 7,598.66/x
  3. Step 3: Cross multiply
    21,639.84x = 32,461.62 × 7,598.66
  4. Step 4: Simplify right side
    21,639.84x = 246,664,744.36
  5. Step 5: Solve for x
    x = 246,664,744.36/21,639.84
  6. Step 6: Final answer
    x = 11,398.64

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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.