Home / 15,123.04-22,684.48-3,878.32

Finding the Fourth Proportional to 15,123.04, 22,684.48 and 3,878.32

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Solution

The fourth proportional to 15,123.04, 22,684.48 and 3,878.32 is: 5,817.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,123.04 : 22,684.48 = 3,878.32 : x
  2. Step 2: Convert to fraction form
    15,123.04/22,684.48 = 3,878.32/x
  3. Step 3: Cross multiply
    15,123.04x = 22,684.48 × 3,878.32
  4. Step 4: Simplify right side
    15,123.04x = 87,977,709.79
  5. Step 5: Solve for x
    x = 87,977,709.79/15,123.04
  6. Step 6: Final answer
    x = 5,817.46

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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.