Home / 19,152.45-28,675.35-9,772.20

Finding the Fourth Proportional to 19,152.45, 28,675.35 and 9,772.20

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Solution

The fourth proportional to 19,152.45, 28,675.35 and 9,772.20 is: 14,631.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,152.45 : 28,675.35 = 9,772.20 : x
  2. Step 2: Convert to fraction form
    19,152.45/28,675.35 = 9,772.20/x
  3. Step 3: Cross multiply
    19,152.45x = 28,675.35 × 9,772.20
  4. Step 4: Simplify right side
    19,152.45x = 280,221,255.27
  5. Step 5: Solve for x
    x = 280,221,255.27/19,152.45
  6. Step 6: Final answer
    x = 14,631.09

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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.