Home / 19,267.32-28,901.04-10,509.60

Finding the Fourth Proportional to 19,267.32, 28,901.04 and 10,509.60

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Solution

The fourth proportional to 19,267.32, 28,901.04 and 10,509.60 is: 15,764.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,267.32 : 28,901.04 = 10,509.60 : x
  2. Step 2: Convert to fraction form
    19,267.32/28,901.04 = 10,509.60/x
  3. Step 3: Cross multiply
    19,267.32x = 28,901.04 × 10,509.60
  4. Step 4: Simplify right side
    19,267.32x = 303,738,369.98
  5. Step 5: Solve for x
    x = 303,738,369.98/19,267.32
  6. Step 6: Final answer
    x = 15,764.43

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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.