Home / 15,447.11-21,318.10-8,733.35

Finding the Fourth Proportional to 15,447.11, 21,318.10 and 8,733.35

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Solution

The fourth proportional to 15,447.11, 21,318.10 and 8,733.35 is: 12,052.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,447.11 : 21,318.10 = 8,733.35 : x
  2. Step 2: Convert to fraction form
    15,447.11/21,318.10 = 8,733.35/x
  3. Step 3: Cross multiply
    15,447.11x = 21,318.10 × 8,733.35
  4. Step 4: Simplify right side
    15,447.11x = 186,178,460.10
  5. Step 5: Solve for x
    x = 186,178,460.10/15,447.11
  6. Step 6: Final answer
    x = 12,052.64

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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.