Home / 14,395.05-19,865.45-8,730.86

Finding the Fourth Proportional to 14,395.05, 19,865.45 and 8,730.86

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Solution

The fourth proportional to 14,395.05, 19,865.45 and 8,730.86 is: 12,048.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,395.05 : 19,865.45 = 8,730.86 : x
  2. Step 2: Convert to fraction form
    14,395.05/19,865.45 = 8,730.86/x
  3. Step 3: Cross multiply
    14,395.05x = 19,865.45 × 8,730.86
  4. Step 4: Simplify right side
    14,395.05x = 173,442,385.29
  5. Step 5: Solve for x
    x = 173,442,385.29/14,395.05
  6. Step 6: Final answer
    x = 12,048.75

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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.