Home / 14,145.34-21,214.50-4,785.14

Finding the Fourth Proportional to 14,145.34, 21,214.50 and 4,785.14

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Solution

The fourth proportional to 14,145.34, 21,214.50 and 4,785.14 is: 7,176.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,145.34 : 21,214.50 = 4,785.14 : x
  2. Step 2: Convert to fraction form
    14,145.34/21,214.50 = 4,785.14/x
  3. Step 3: Cross multiply
    14,145.34x = 21,214.50 × 4,785.14
  4. Step 4: Simplify right side
    14,145.34x = 101,514,352.53
  5. Step 5: Solve for x
    x = 101,514,352.53/14,145.34
  6. Step 6: Final answer
    x = 7,176.52

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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.