Home / 14,918.63-22,373.16-4,921.13

Finding the Fourth Proportional to 14,918.63, 22,373.16 and 4,921.13

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Solution

The fourth proportional to 14,918.63, 22,373.16 and 4,921.13 is: 7,380.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,918.63 : 22,373.16 = 4,921.13 : x
  2. Step 2: Convert to fraction form
    14,918.63/22,373.16 = 4,921.13/x
  3. Step 3: Cross multiply
    14,918.63x = 22,373.16 × 4,921.13
  4. Step 4: Simplify right side
    14,918.63x = 110,101,284.80
  5. Step 5: Solve for x
    x = 110,101,284.80/14,918.63
  6. Step 6: Final answer
    x = 7,380.12

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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.