Home / 14,072.64-21,111.39-6,281.16

Finding the Fourth Proportional to 14,072.64, 21,111.39 and 6,281.16

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Solution

The fourth proportional to 14,072.64, 21,111.39 and 6,281.16 is: 9,422.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,072.64 : 21,111.39 = 6,281.16 : x
  2. Step 2: Convert to fraction form
    14,072.64/21,111.39 = 6,281.16/x
  3. Step 3: Cross multiply
    14,072.64x = 21,111.39 × 6,281.16
  4. Step 4: Simplify right side
    14,072.64x = 132,604,018.41
  5. Step 5: Solve for x
    x = 132,604,018.41/14,072.64
  6. Step 6: Final answer
    x = 9,422.82

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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.