Home / 11,871.09-17,810.73-4,477.67

Finding the Fourth Proportional to 11,871.09, 17,810.73 and 4,477.67

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Solution

The fourth proportional to 11,871.09, 17,810.73 and 4,477.67 is: 6,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,871.09 : 17,810.73 = 4,477.67 : x
  2. Step 2: Convert to fraction form
    11,871.09/17,810.73 = 4,477.67/x
  3. Step 3: Cross multiply
    11,871.09x = 17,810.73 × 4,477.67
  4. Step 4: Simplify right side
    11,871.09x = 79,750,482.35
  5. Step 5: Solve for x
    x = 79,750,482.35/11,871.09
  6. Step 6: Final answer
    x = 6,718.04

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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.