Home / 14,865.18-20,516.70-10,147.74

Finding the Fourth Proportional to 14,865.18, 20,516.70 and 10,147.74

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Solution

The fourth proportional to 14,865.18, 20,516.70 and 10,147.74 is: 14,005.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,865.18 : 20,516.70 = 10,147.74 : x
  2. Step 2: Convert to fraction form
    14,865.18/20,516.70 = 10,147.74/x
  3. Step 3: Cross multiply
    14,865.18x = 20,516.70 × 10,147.74
  4. Step 4: Simplify right side
    14,865.18x = 208,198,137.26
  5. Step 5: Solve for x
    x = 208,198,137.26/14,865.18
  6. Step 6: Final answer
    x = 14,005.76

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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.