Home / 14,130.29-21,194.81-4,269.27

Finding the Fourth Proportional to 14,130.29, 21,194.81 and 4,269.27

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Solution

The fourth proportional to 14,130.29, 21,194.81 and 4,269.27 is: 6,403.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,130.29 : 21,194.81 = 4,269.27 : x
  2. Step 2: Convert to fraction form
    14,130.29/21,194.81 = 4,269.27/x
  3. Step 3: Cross multiply
    14,130.29x = 21,194.81 × 4,269.27
  4. Step 4: Simplify right side
    14,130.29x = 90,486,366.49
  5. Step 5: Solve for x
    x = 90,486,366.49/14,130.29
  6. Step 6: Final answer
    x = 6,403.72

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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.