Home / 18,259.02-27,391.55-6,409.72

Finding the Fourth Proportional to 18,259.02, 27,391.55 and 6,409.72

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Solution

The fourth proportional to 18,259.02, 27,391.55 and 6,409.72 is: 9,615.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,259.02 : 27,391.55 = 6,409.72 : x
  2. Step 2: Convert to fraction form
    18,259.02/27,391.55 = 6,409.72/x
  3. Step 3: Cross multiply
    18,259.02x = 27,391.55 × 6,409.72
  4. Step 4: Simplify right side
    18,259.02x = 175,572,044.93
  5. Step 5: Solve for x
    x = 175,572,044.93/18,259.02
  6. Step 6: Final answer
    x = 9,615.63

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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.