Home / 13,956.30-19,242.77-10,413.36

Finding the Fourth Proportional to 13,956.30, 19,242.77 and 10,413.36

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Solution

The fourth proportional to 13,956.30, 19,242.77 and 10,413.36 is: 14,357.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.30 : 19,242.77 = 10,413.36 : x
  2. Step 2: Convert to fraction form
    13,956.30/19,242.77 = 10,413.36/x
  3. Step 3: Cross multiply
    13,956.30x = 19,242.77 × 10,413.36
  4. Step 4: Simplify right side
    13,956.30x = 200,381,839.34
  5. Step 5: Solve for x
    x = 200,381,839.34/13,956.30
  6. Step 6: Final answer
    x = 14,357.81

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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.