Home / 14,413.33-19,888.95-10,638.55

Finding the Fourth Proportional to 14,413.33, 19,888.95 and 10,638.55

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Solution

The fourth proportional to 14,413.33, 19,888.95 and 10,638.55 is: 14,680.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.33 : 19,888.95 = 10,638.55 : x
  2. Step 2: Convert to fraction form
    14,413.33/19,888.95 = 10,638.55/x
  3. Step 3: Cross multiply
    14,413.33x = 19,888.95 × 10,638.55
  4. Step 4: Simplify right side
    14,413.33x = 211,589,589.02
  5. Step 5: Solve for x
    x = 211,589,589.02/14,413.33
  6. Step 6: Final answer
    x = 14,680.13

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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.