Home / 15,810.85-21,793.63-10,704.75

Finding the Fourth Proportional to 15,810.85, 21,793.63 and 10,704.75

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Solution

The fourth proportional to 15,810.85, 21,793.63 and 10,704.75 is: 14,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,810.85 : 21,793.63 = 10,704.75 : x
  2. Step 2: Convert to fraction form
    15,810.85/21,793.63 = 10,704.75/x
  3. Step 3: Cross multiply
    15,810.85x = 21,793.63 × 10,704.75
  4. Step 4: Simplify right side
    15,810.85x = 233,295,360.74
  5. Step 5: Solve for x
    x = 233,295,360.74/15,810.85
  6. Step 6: Final answer
    x = 14,755.40

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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.