Home / 14,113.28-21,160.32-6,318.08

Finding the Fourth Proportional to 14,113.28, 21,160.32 and 6,318.08

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Solution

The fourth proportional to 14,113.28, 21,160.32 and 6,318.08 is: 9,472.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,113.28 : 21,160.32 = 6,318.08 : x
  2. Step 2: Convert to fraction form
    14,113.28/21,160.32 = 6,318.08/x
  3. Step 3: Cross multiply
    14,113.28x = 21,160.32 × 6,318.08
  4. Step 4: Simplify right side
    14,113.28x = 133,692,594.59
  5. Step 5: Solve for x
    x = 133,692,594.59/14,113.28
  6. Step 6: Final answer
    x = 9,472.82

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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.