Home / 15,923.24-21,970.50-9,635.56

Finding the Fourth Proportional to 15,923.24, 21,970.50 and 9,635.56

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Solution

The fourth proportional to 15,923.24, 21,970.50 and 9,635.56 is: 13,294.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,923.24 : 21,970.50 = 9,635.56 : x
  2. Step 2: Convert to fraction form
    15,923.24/21,970.50 = 9,635.56/x
  3. Step 3: Cross multiply
    15,923.24x = 21,970.50 × 9,635.56
  4. Step 4: Simplify right side
    15,923.24x = 211,698,070.98
  5. Step 5: Solve for x
    x = 211,698,070.98/15,923.24
  6. Step 6: Final answer
    x = 13,294.91

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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.