Home / 14,617.48-21,920.78-5,254.94

Finding the Fourth Proportional to 14,617.48, 21,920.78 and 5,254.94

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Solution

The fourth proportional to 14,617.48, 21,920.78 and 5,254.94 is: 7,880.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,617.48 : 21,920.78 = 5,254.94 : x
  2. Step 2: Convert to fraction form
    14,617.48/21,920.78 = 5,254.94/x
  3. Step 3: Cross multiply
    14,617.48x = 21,920.78 × 5,254.94
  4. Step 4: Simplify right side
    14,617.48x = 115,192,422.03
  5. Step 5: Solve for x
    x = 115,192,422.03/14,617.48
  6. Step 6: Final answer
    x = 7,880.46

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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.