Home / 12,763.84-19,140.50-4,869.23

Finding the Fourth Proportional to 12,763.84, 19,140.50 and 4,869.23

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Solution

The fourth proportional to 12,763.84, 19,140.50 and 4,869.23 is: 7,301.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,763.84 : 19,140.50 = 4,869.23 : x
  2. Step 2: Convert to fraction form
    12,763.84/19,140.50 = 4,869.23/x
  3. Step 3: Cross multiply
    12,763.84x = 19,140.50 × 4,869.23
  4. Step 4: Simplify right side
    12,763.84x = 93,199,413.29
  5. Step 5: Solve for x
    x = 93,199,413.29/12,763.84
  6. Step 6: Final answer
    x = 7,301.83

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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.