Home / 18,664.02-25,756.65-10,280.52

Finding the Fourth Proportional to 18,664.02, 25,756.65 and 10,280.52

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Solution

The fourth proportional to 18,664.02, 25,756.65 and 10,280.52 is: 14,187.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,664.02 : 25,756.65 = 10,280.52 : x
  2. Step 2: Convert to fraction form
    18,664.02/25,756.65 = 10,280.52/x
  3. Step 3: Cross multiply
    18,664.02x = 25,756.65 × 10,280.52
  4. Step 4: Simplify right side
    18,664.02x = 264,791,755.46
  5. Step 5: Solve for x
    x = 264,791,755.46/18,664.02
  6. Step 6: Final answer
    x = 14,187.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.