Home / 15,064.14-20,790.36-8,776.92

Finding the Fourth Proportional to 15,064.14, 20,790.36 and 8,776.92

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Solution

The fourth proportional to 15,064.14, 20,790.36 and 8,776.92 is: 12,113.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,064.14 : 20,790.36 = 8,776.92 : x
  2. Step 2: Convert to fraction form
    15,064.14/20,790.36 = 8,776.92/x
  3. Step 3: Cross multiply
    15,064.14x = 20,790.36 × 8,776.92
  4. Step 4: Simplify right side
    15,064.14x = 182,475,326.49
  5. Step 5: Solve for x
    x = 182,475,326.49/15,064.14
  6. Step 6: Final answer
    x = 12,113.23

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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.