Home / 13,877.02-20,818.60-6,477.44

Finding the Fourth Proportional to 13,877.02, 20,818.60 and 6,477.44

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Solution

The fourth proportional to 13,877.02, 20,818.60 and 6,477.44 is: 9,717.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,877.02 : 20,818.60 = 6,477.44 : x
  2. Step 2: Convert to fraction form
    13,877.02/20,818.60 = 6,477.44/x
  3. Step 3: Cross multiply
    13,877.02x = 20,818.60 × 6,477.44
  4. Step 4: Simplify right side
    13,877.02x = 134,851,112.10
  5. Step 5: Solve for x
    x = 134,851,112.10/13,877.02
  6. Step 6: Final answer
    x = 9,717.59

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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.