Home / 11,117.04-16,669.72-3,718.80

Finding the Fourth Proportional to 11,117.04, 16,669.72 and 3,718.80

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Solution

The fourth proportional to 11,117.04, 16,669.72 and 3,718.80 is: 5,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,117.04 : 16,669.72 = 3,718.80 : x
  2. Step 2: Convert to fraction form
    11,117.04/16,669.72 = 3,718.80/x
  3. Step 3: Cross multiply
    11,117.04x = 16,669.72 × 3,718.80
  4. Step 4: Simplify right side
    11,117.04x = 61,991,354.74
  5. Step 5: Solve for x
    x = 61,991,354.74/11,117.04
  6. Step 6: Final answer
    x = 5,576.25

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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.