Home / 10,790.16-16,182.36-2,999.40

Finding the Fourth Proportional to 10,790.16, 16,182.36 and 2,999.40

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Solution

The fourth proportional to 10,790.16, 16,182.36 and 2,999.40 is: 4,498.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,790.16 : 16,182.36 = 2,999.40 : x
  2. Step 2: Convert to fraction form
    10,790.16/16,182.36 = 2,999.40/x
  3. Step 3: Cross multiply
    10,790.16x = 16,182.36 × 2,999.40
  4. Step 4: Simplify right side
    10,790.16x = 48,537,370.58
  5. Step 5: Solve for x
    x = 48,537,370.58/10,790.16
  6. Step 6: Final answer
    x = 4,498.30

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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.