Home / 14,018.07-19,344.83-7,730.45

Finding the Fourth Proportional to 14,018.07, 19,344.83 and 7,730.45

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Solution

The fourth proportional to 14,018.07, 19,344.83 and 7,730.45 is: 10,667.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,018.07 : 19,344.83 = 7,730.45 : x
  2. Step 2: Convert to fraction form
    14,018.07/19,344.83 = 7,730.45/x
  3. Step 3: Cross multiply
    14,018.07x = 19,344.83 × 7,730.45
  4. Step 4: Simplify right side
    14,018.07x = 149,544,105.70
  5. Step 5: Solve for x
    x = 149,544,105.70/14,018.07
  6. Step 6: Final answer
    x = 10,667.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.