Home / 9,981.02-14,971.51-2,685.02

Finding the Fourth Proportional to 9,981.02, 14,971.51 and 2,685.02

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Solution

The fourth proportional to 9,981.02, 14,971.51 and 2,685.02 is: 4,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.02 : 14,971.51 = 2,685.02 : x
  2. Step 2: Convert to fraction form
    9,981.02/14,971.51 = 2,685.02/x
  3. Step 3: Cross multiply
    9,981.02x = 14,971.51 × 2,685.02
  4. Step 4: Simplify right side
    9,981.02x = 40,198,803.78
  5. Step 5: Solve for x
    x = 40,198,803.78/9,981.02
  6. Step 6: Final answer
    x = 4,027.52

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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.