Home / 13,891.03-19,162.47-9,413.26

Finding the Fourth Proportional to 13,891.03, 19,162.47 and 9,413.26

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Solution

The fourth proportional to 13,891.03, 19,162.47 and 9,413.26 is: 12,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,891.03 : 19,162.47 = 9,413.26 : x
  2. Step 2: Convert to fraction form
    13,891.03/19,162.47 = 9,413.26/x
  3. Step 3: Cross multiply
    13,891.03x = 19,162.47 × 9,413.26
  4. Step 4: Simplify right side
    13,891.03x = 180,381,312.35
  5. Step 5: Solve for x
    x = 180,381,312.35/13,891.03
  6. Step 6: Final answer
    x = 12,985.45

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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.