Home / 14,413.72-19,890.96-8,126.08

Finding the Fourth Proportional to 14,413.72, 19,890.96 and 8,126.08

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Solution

The fourth proportional to 14,413.72, 19,890.96 and 8,126.08 is: 11,214.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,413.72 : 19,890.96 = 8,126.08 : x
  2. Step 2: Convert to fraction form
    14,413.72/19,890.96 = 8,126.08/x
  3. Step 3: Cross multiply
    14,413.72x = 19,890.96 × 8,126.08
  4. Step 4: Simplify right side
    14,413.72x = 161,635,532.24
  5. Step 5: Solve for x
    x = 161,635,532.24/14,413.72
  6. Step 6: Final answer
    x = 11,214.01

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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.