Home / 12,547.26-18,818.61-3,779.82

Finding the Fourth Proportional to 12,547.26, 18,818.61 and 3,779.82

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Solution

The fourth proportional to 12,547.26, 18,818.61 and 3,779.82 is: 5,669.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,547.26 : 18,818.61 = 3,779.82 : x
  2. Step 2: Convert to fraction form
    12,547.26/18,818.61 = 3,779.82/x
  3. Step 3: Cross multiply
    12,547.26x = 18,818.61 × 3,779.82
  4. Step 4: Simplify right side
    12,547.26x = 71,130,958.45
  5. Step 5: Solve for x
    x = 71,130,958.45/12,547.26
  6. Step 6: Final answer
    x = 5,669.04

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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.