Home / 10,209.86-15,290.18-5,813.99

Finding the Fourth Proportional to 10,209.86, 15,290.18 and 5,813.99

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Solution

The fourth proportional to 10,209.86, 15,290.18 and 5,813.99 is: 8,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.86 : 15,290.18 = 5,813.99 : x
  2. Step 2: Convert to fraction form
    10,209.86/15,290.18 = 5,813.99/x
  3. Step 3: Cross multiply
    10,209.86x = 15,290.18 × 5,813.99
  4. Step 4: Simplify right side
    10,209.86x = 88,896,927.24
  5. Step 5: Solve for x
    x = 88,896,927.24/10,209.86
  6. Step 6: Final answer
    x = 8,706.97

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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.