Home / 11,748.02-16,211.46-6,442.72

Finding the Fourth Proportional to 11,748.02, 16,211.46 and 6,442.72

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Solution

The fourth proportional to 11,748.02, 16,211.46 and 6,442.72 is: 8,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,748.02 : 16,211.46 = 6,442.72 : x
  2. Step 2: Convert to fraction form
    11,748.02/16,211.46 = 6,442.72/x
  3. Step 3: Cross multiply
    11,748.02x = 16,211.46 × 6,442.72
  4. Step 4: Simplify right side
    11,748.02x = 104,445,897.57
  5. Step 5: Solve for x
    x = 104,445,897.57/11,748.02
  6. Step 6: Final answer
    x = 8,890.51

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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.