Home / 10,638.02-14,676.23-6,656.46

Finding the Fourth Proportional to 10,638.02, 14,676.23 and 6,656.46

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Solution

The fourth proportional to 10,638.02, 14,676.23 and 6,656.46 is: 9,183.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,638.02 : 14,676.23 = 6,656.46 : x
  2. Step 2: Convert to fraction form
    10,638.02/14,676.23 = 6,656.46/x
  3. Step 3: Cross multiply
    10,638.02x = 14,676.23 × 6,656.46
  4. Step 4: Simplify right side
    10,638.02x = 97,691,704.66
  5. Step 5: Solve for x
    x = 97,691,704.66/10,638.02
  6. Step 6: Final answer
    x = 9,183.26

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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.