Home / 14,018.38-21,040.54-7,097.74

Finding the Fourth Proportional to 14,018.38, 21,040.54 and 7,097.74

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Solution

The fourth proportional to 14,018.38, 21,040.54 and 7,097.74 is: 10,653.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.38 : 21,040.54 = 7,097.74 : x
  2. Step 2: Convert to fraction form
    14,018.38/21,040.54 = 7,097.74/x
  3. Step 3: Cross multiply
    14,018.38x = 21,040.54 × 7,097.74
  4. Step 4: Simplify right side
    14,018.38x = 149,340,282.38
  5. Step 5: Solve for x
    x = 149,340,282.38/14,018.38
  6. Step 6: Final answer
    x = 10,653.18

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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.