Home / 14,020-21,033.77-4,661.53

Finding the Fourth Proportional to 14,020, 21,033.77 and 4,661.53

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Solution

The fourth proportional to 14,020, 21,033.77 and 4,661.53 is: 6,993.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,020 : 21,033.77 = 4,661.53 : x
  2. Step 2: Convert to fraction form
    14,020/21,033.77 = 4,661.53/x
  3. Step 3: Cross multiply
    14,020x = 21,033.77 × 4,661.53
  4. Step 4: Simplify right side
    14,020x = 98,049,549.87
  5. Step 5: Solve for x
    x = 98,049,549.87/14,020
  6. Step 6: Final answer
    x = 6,993.55

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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.