Home / 14,000.45-19,320.60-8,031.86

Finding the Fourth Proportional to 14,000.45, 19,320.60 and 8,031.86

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Solution

The fourth proportional to 14,000.45, 19,320.60 and 8,031.86 is: 11,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,000.45 : 19,320.60 = 8,031.86 : x
  2. Step 2: Convert to fraction form
    14,000.45/19,320.60 = 8,031.86/x
  3. Step 3: Cross multiply
    14,000.45x = 19,320.60 × 8,031.86
  4. Step 4: Simplify right side
    14,000.45x = 155,180,257.71
  5. Step 5: Solve for x
    x = 155,180,257.71/14,000.45
  6. Step 6: Final answer
    x = 11,083.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.