Home / 13,403.61-18,497.43-10,040.49

Finding the Fourth Proportional to 13,403.61, 18,497.43 and 10,040.49

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Solution

The fourth proportional to 13,403.61, 18,497.43 and 10,040.49 is: 13,856.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,403.61 : 18,497.43 = 10,040.49 : x
  2. Step 2: Convert to fraction form
    13,403.61/18,497.43 = 10,040.49/x
  3. Step 3: Cross multiply
    13,403.61x = 18,497.43 × 10,040.49
  4. Step 4: Simplify right side
    13,403.61x = 185,723,260.94
  5. Step 5: Solve for x
    x = 185,723,260.94/13,403.61
  6. Step 6: Final answer
    x = 13,856.21

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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.