Home / 10,785.95-16,185.21-4,545.57

Finding the Fourth Proportional to 10,785.95, 16,185.21 and 4,545.57

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Solution

The fourth proportional to 10,785.95, 16,185.21 and 4,545.57 is: 6,821.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,785.95 : 16,185.21 = 4,545.57 : x
  2. Step 2: Convert to fraction form
    10,785.95/16,185.21 = 4,545.57/x
  3. Step 3: Cross multiply
    10,785.95x = 16,185.21 × 4,545.57
  4. Step 4: Simplify right side
    10,785.95x = 73,570,982.29
  5. Step 5: Solve for x
    x = 73,570,982.29/10,785.95
  6. Step 6: Final answer
    x = 6,821.00

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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.