Home / 14,644.96-21,968.91-4,115.01

Finding the Fourth Proportional to 14,644.96, 21,968.91 and 4,115.01

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Solution

The fourth proportional to 14,644.96, 21,968.91 and 4,115.01 is: 6,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,644.96 : 21,968.91 = 4,115.01 : x
  2. Step 2: Convert to fraction form
    14,644.96/21,968.91 = 4,115.01/x
  3. Step 3: Cross multiply
    14,644.96x = 21,968.91 × 4,115.01
  4. Step 4: Simplify right side
    14,644.96x = 90,402,284.34
  5. Step 5: Solve for x
    x = 90,402,284.34/14,644.96
  6. Step 6: Final answer
    x = 6,172.93

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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.