Home / 15,561.30-21,475.46-14,511.54

Finding the Fourth Proportional to 15,561.30, 21,475.46 and 14,511.54

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Solution

The fourth proportional to 15,561.30, 21,475.46 and 14,511.54 is: 20,026.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,561.30 : 21,475.46 = 14,511.54 : x
  2. Step 2: Convert to fraction form
    15,561.30/21,475.46 = 14,511.54/x
  3. Step 3: Cross multiply
    15,561.30x = 21,475.46 × 14,511.54
  4. Step 4: Simplify right side
    15,561.30x = 311,641,996.81
  5. Step 5: Solve for x
    x = 311,641,996.81/15,561.30
  6. Step 6: Final answer
    x = 20,026.73

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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.