Home / 20,549.93-28,360.40-11,598.21

Finding the Fourth Proportional to 20,549.93, 28,360.40 and 11,598.21

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Solution

The fourth proportional to 20,549.93, 28,360.40 and 11,598.21 is: 16,006.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,549.93 : 28,360.40 = 11,598.21 : x
  2. Step 2: Convert to fraction form
    20,549.93/28,360.40 = 11,598.21/x
  3. Step 3: Cross multiply
    20,549.93x = 28,360.40 × 11,598.21
  4. Step 4: Simplify right side
    20,549.93x = 328,929,816.89
  5. Step 5: Solve for x
    x = 328,929,816.89/20,549.93
  6. Step 6: Final answer
    x = 16,006.38

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1.5x scale

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.