Home / 14,138.05-21,210.96-6,246.90

Finding the Fourth Proportional to 14,138.05, 21,210.96 and 6,246.90

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Solution

The fourth proportional to 14,138.05, 21,210.96 and 6,246.90 is: 9,372.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,138.05 : 21,210.96 = 6,246.90 : x
  2. Step 2: Convert to fraction form
    14,138.05/21,210.96 = 6,246.90/x
  3. Step 3: Cross multiply
    14,138.05x = 21,210.96 × 6,246.90
  4. Step 4: Simplify right side
    14,138.05x = 132,502,746.02
  5. Step 5: Solve for x
    x = 132,502,746.02/14,138.05
  6. Step 6: Final answer
    x = 9,372.07

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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.