Home / 14,270.69-21,412.16-5,511.75

Finding the Fourth Proportional to 14,270.69, 21,412.16 and 5,511.75

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Solution

The fourth proportional to 14,270.69, 21,412.16 and 5,511.75 is: 8,270.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.69 : 21,412.16 = 5,511.75 : x
  2. Step 2: Convert to fraction form
    14,270.69/21,412.16 = 5,511.75/x
  3. Step 3: Cross multiply
    14,270.69x = 21,412.16 × 5,511.75
  4. Step 4: Simplify right side
    14,270.69x = 118,018,546.29
  5. Step 5: Solve for x
    x = 118,018,546.29/14,270.69
  6. Step 6: Final answer
    x = 8,270.00

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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.