Home / 14,005.03-21,005.39-6,212.47

Finding the Fourth Proportional to 14,005.03, 21,005.39 and 6,212.47

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Solution

The fourth proportional to 14,005.03, 21,005.39 and 6,212.47 is: 9,317.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,005.03 : 21,005.39 = 6,212.47 : x
  2. Step 2: Convert to fraction form
    14,005.03/21,005.39 = 6,212.47/x
  3. Step 3: Cross multiply
    14,005.03x = 21,005.39 × 6,212.47
  4. Step 4: Simplify right side
    14,005.03x = 130,495,324.15
  5. Step 5: Solve for x
    x = 130,495,324.15/14,005.03
  6. Step 6: Final answer
    x = 9,317.75

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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.