Home / 12,810.43-19,088.30-11,413.03

Finding the Fourth Proportional to 12,810.43, 19,088.30 and 11,413.03

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Solution

The fourth proportional to 12,810.43, 19,088.30 and 11,413.03 is: 17,006.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,810.43 : 19,088.30 = 11,413.03 : x
  2. Step 2: Convert to fraction form
    12,810.43/19,088.30 = 11,413.03/x
  3. Step 3: Cross multiply
    12,810.43x = 19,088.30 × 11,413.03
  4. Step 4: Simplify right side
    12,810.43x = 217,855,188.04
  5. Step 5: Solve for x
    x = 217,855,188.04/12,810.43
  6. Step 6: Final answer
    x = 17,006.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.