Home / 18,802.34-28,184.75-9,413.70

Finding the Fourth Proportional to 18,802.34, 28,184.75 and 9,413.70

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Solution

The fourth proportional to 18,802.34, 28,184.75 and 9,413.70 is: 14,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,802.34 : 28,184.75 = 9,413.70 : x
  2. Step 2: Convert to fraction form
    18,802.34/28,184.75 = 9,413.70/x
  3. Step 3: Cross multiply
    18,802.34x = 28,184.75 × 9,413.70
  4. Step 4: Simplify right side
    18,802.34x = 265,322,781.08
  5. Step 5: Solve for x
    x = 265,322,781.08/18,802.34
  6. Step 6: Final answer
    x = 14,111.16

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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.