Home / 15,990.84-23,977.08-4,894.56

Finding the Fourth Proportional to 15,990.84, 23,977.08 and 4,894.56

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Solution

The fourth proportional to 15,990.84, 23,977.08 and 4,894.56 is: 7,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.84 : 23,977.08 = 4,894.56 : x
  2. Step 2: Convert to fraction form
    15,990.84/23,977.08 = 4,894.56/x
  3. Step 3: Cross multiply
    15,990.84x = 23,977.08 × 4,894.56
  4. Step 4: Simplify right side
    15,990.84x = 117,357,256.68
  5. Step 5: Solve for x
    x = 117,357,256.68/15,990.84
  6. Step 6: Final answer
    x = 7,339.03

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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.