Home / 13,516.19-20,277.95-12,214.93

Finding the Fourth Proportional to 13,516.19, 20,277.95 and 12,214.93

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Solution

The fourth proportional to 13,516.19, 20,277.95 and 12,214.93 is: 18,325.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,516.19 : 20,277.95 = 12,214.93 : x
  2. Step 2: Convert to fraction form
    13,516.19/20,277.95 = 12,214.93/x
  3. Step 3: Cross multiply
    13,516.19x = 20,277.95 × 12,214.93
  4. Step 4: Simplify right side
    13,516.19x = 247,693,628.02
  5. Step 5: Solve for x
    x = 247,693,628.02/13,516.19
  6. Step 6: Final answer
    x = 18,325.70

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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.