Home / 19,223.34-28,856.88-12,902.91

Finding the Fourth Proportional to 19,223.34, 28,856.88 and 12,902.91

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Solution

The fourth proportional to 19,223.34, 28,856.88 and 12,902.91 is: 19,369.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,223.34 : 28,856.88 = 12,902.91 : x
  2. Step 2: Convert to fraction form
    19,223.34/28,856.88 = 12,902.91/x
  3. Step 3: Cross multiply
    19,223.34x = 28,856.88 × 12,902.91
  4. Step 4: Simplify right side
    19,223.34x = 372,337,725.52
  5. Step 5: Solve for x
    x = 372,337,725.52/19,223.34
  6. Step 6: Final answer
    x = 19,369.04

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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.