Home / 15,990.84-23,976-6,637.32

Finding the Fourth Proportional to 15,990.84, 23,976 and 6,637.32

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Solution

The fourth proportional to 15,990.84, 23,976 and 6,637.32 is: 9,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.84 : 23,976 = 6,637.32 : x
  2. Step 2: Convert to fraction form
    15,990.84/23,976 = 6,637.32/x
  3. Step 3: Cross multiply
    15,990.84x = 23,976 × 6,637.32
  4. Step 4: Simplify right side
    15,990.84x = 159,136,384.32
  5. Step 5: Solve for x
    x = 159,136,384.32/15,990.84
  6. Step 6: Final answer
    x = 9,951.72

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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.