Home / 21,096.45-29,063.64-14,711.40

Finding the Fourth Proportional to 21,096.45, 29,063.64 and 14,711.40

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Solution

The fourth proportional to 21,096.45, 29,063.64 and 14,711.40 is: 20,267.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,096.45 : 29,063.64 = 14,711.40 : x
  2. Step 2: Convert to fraction form
    21,096.45/29,063.64 = 14,711.40/x
  3. Step 3: Cross multiply
    21,096.45x = 29,063.64 × 14,711.40
  4. Step 4: Simplify right side
    21,096.45x = 427,566,833.50
  5. Step 5: Solve for x
    x = 427,566,833.50/21,096.45
  6. Step 6: Final answer
    x = 20,267.24

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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.