Home / 19,295.07-28,946.85-8,211.16

Finding the Fourth Proportional to 19,295.07, 28,946.85 and 8,211.16

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Solution

The fourth proportional to 19,295.07, 28,946.85 and 8,211.16 is: 12,318.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,295.07 : 28,946.85 = 8,211.16 : x
  2. Step 2: Convert to fraction form
    19,295.07/28,946.85 = 8,211.16/x
  3. Step 3: Cross multiply
    19,295.07x = 28,946.85 × 8,211.16
  4. Step 4: Simplify right side
    19,295.07x = 237,687,216.85
  5. Step 5: Solve for x
    x = 237,687,216.85/19,295.07
  6. Step 6: Final answer
    x = 12,318.55

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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.