Home / 10,820.57-14,929.80-6,104.87

Finding the Fourth Proportional to 10,820.57, 14,929.80 and 6,104.87

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Solution

The fourth proportional to 10,820.57, 14,929.80 and 6,104.87 is: 8,423.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,820.57 : 14,929.80 = 6,104.87 : x
  2. Step 2: Convert to fraction form
    10,820.57/14,929.80 = 6,104.87/x
  3. Step 3: Cross multiply
    10,820.57x = 14,929.80 × 6,104.87
  4. Step 4: Simplify right side
    10,820.57x = 91,144,413.48
  5. Step 5: Solve for x
    x = 91,144,413.48/10,820.57
  6. Step 6: Final answer
    x = 8,423.25

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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.