Home / 15,734.86-21,711.67-10,074.63

Finding the Fourth Proportional to 15,734.86, 21,711.67 and 10,074.63

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Solution

The fourth proportional to 15,734.86, 21,711.67 and 10,074.63 is: 13,901.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,734.86 : 21,711.67 = 10,074.63 : x
  2. Step 2: Convert to fraction form
    15,734.86/21,711.67 = 10,074.63/x
  3. Step 3: Cross multiply
    15,734.86x = 21,711.67 × 10,074.63
  4. Step 4: Simplify right side
    15,734.86x = 218,737,004.37
  5. Step 5: Solve for x
    x = 218,737,004.37/15,734.86
  6. Step 6: Final answer
    x = 13,901.43

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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.