Home / 14,178.35-19,564.97-8,210.40

Finding the Fourth Proportional to 14,178.35, 19,564.97 and 8,210.40

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Solution

The fourth proportional to 14,178.35, 19,564.97 and 8,210.40 is: 11,329.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,178.35 : 19,564.97 = 8,210.40 : x
  2. Step 2: Convert to fraction form
    14,178.35/19,564.97 = 8,210.40/x
  3. Step 3: Cross multiply
    14,178.35x = 19,564.97 × 8,210.40
  4. Step 4: Simplify right side
    14,178.35x = 160,636,229.69
  5. Step 5: Solve for x
    x = 160,636,229.69/14,178.35
  6. Step 6: Final answer
    x = 11,329.68

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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.