Home / 19,688.40-29,522.40-5,835.60

Finding the Fourth Proportional to 19,688.40, 29,522.40 and 5,835.60

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Solution

The fourth proportional to 19,688.40, 29,522.40 and 5,835.60 is: 8,750.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,688.40 : 29,522.40 = 5,835.60 : x
  2. Step 2: Convert to fraction form
    19,688.40/29,522.40 = 5,835.60/x
  3. Step 3: Cross multiply
    19,688.40x = 29,522.40 × 5,835.60
  4. Step 4: Simplify right side
    19,688.40x = 172,280,917.44
  5. Step 5: Solve for x
    x = 172,280,917.44/19,688.40
  6. Step 6: Final answer
    x = 8,750.38

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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.