Home / 14,520.93-21,788.70-10,830.57

Finding the Fourth Proportional to 14,520.93, 21,788.70 and 10,830.57

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Solution

The fourth proportional to 14,520.93, 21,788.70 and 10,830.57 is: 16,251.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,520.93 : 21,788.70 = 10,830.57 : x
  2. Step 2: Convert to fraction form
    14,520.93/21,788.70 = 10,830.57/x
  3. Step 3: Cross multiply
    14,520.93x = 21,788.70 × 10,830.57
  4. Step 4: Simplify right side
    14,520.93x = 235,984,040.56
  5. Step 5: Solve for x
    x = 235,984,040.56/14,520.93
  6. Step 6: Final answer
    x = 16,251.30

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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.