Home / 15,181.65-22,779.50-5,818.59

Finding the Fourth Proportional to 15,181.65, 22,779.50 and 5,818.59

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Solution

The fourth proportional to 15,181.65, 22,779.50 and 5,818.59 is: 8,730.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,181.65 : 22,779.50 = 5,818.59 : x
  2. Step 2: Convert to fraction form
    15,181.65/22,779.50 = 5,818.59/x
  3. Step 3: Cross multiply
    15,181.65x = 22,779.50 × 5,818.59
  4. Step 4: Simplify right side
    15,181.65x = 132,544,541.81
  5. Step 5: Solve for x
    x = 132,544,541.81/15,181.65
  6. Step 6: Final answer
    x = 8,730.58

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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.