Home / 13,156.02-18,152.06-8,446.68

Finding the Fourth Proportional to 13,156.02, 18,152.06 and 8,446.68

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Solution

The fourth proportional to 13,156.02, 18,152.06 and 8,446.68 is: 11,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,156.02 : 18,152.06 = 8,446.68 : x
  2. Step 2: Convert to fraction form
    13,156.02/18,152.06 = 8,446.68/x
  3. Step 3: Cross multiply
    13,156.02x = 18,152.06 × 8,446.68
  4. Step 4: Simplify right side
    13,156.02x = 153,324,599.93
  5. Step 5: Solve for x
    x = 153,324,599.93/13,156.02
  6. Step 6: Final answer
    x = 11,654.33

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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.