Home / 14,458.20-21,672.90-6,653.40

Finding the Fourth Proportional to 14,458.20, 21,672.90 and 6,653.40

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Solution

The fourth proportional to 14,458.20, 21,672.90 and 6,653.40 is: 9,973.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,458.20 : 21,672.90 = 6,653.40 : x
  2. Step 2: Convert to fraction form
    14,458.20/21,672.90 = 6,653.40/x
  3. Step 3: Cross multiply
    14,458.20x = 21,672.90 × 6,653.40
  4. Step 4: Simplify right side
    14,458.20x = 144,198,472.86
  5. Step 5: Solve for x
    x = 144,198,472.86/14,458.20
  6. Step 6: Final answer
    x = 9,973.47

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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.