Home / 19,185.37-28,723.95-10,159.03

Finding the Fourth Proportional to 19,185.37, 28,723.95 and 10,159.03

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Solution

The fourth proportional to 19,185.37, 28,723.95 and 10,159.03 is: 15,209.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,185.37 : 28,723.95 = 10,159.03 : x
  2. Step 2: Convert to fraction form
    19,185.37/28,723.95 = 10,159.03/x
  3. Step 3: Cross multiply
    19,185.37x = 28,723.95 × 10,159.03
  4. Step 4: Simplify right side
    19,185.37x = 291,807,469.77
  5. Step 5: Solve for x
    x = 291,807,469.77/19,185.37
  6. Step 6: Final answer
    x = 15,209.90

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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.