Home / 21,396.48-32,095.08-5,813.70

Finding the Fourth Proportional to 21,396.48, 32,095.08 and 5,813.70

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Solution

The fourth proportional to 21,396.48, 32,095.08 and 5,813.70 is: 8,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,396.48 : 32,095.08 = 5,813.70 : x
  2. Step 2: Convert to fraction form
    21,396.48/32,095.08 = 5,813.70/x
  3. Step 3: Cross multiply
    21,396.48x = 32,095.08 × 5,813.70
  4. Step 4: Simplify right side
    21,396.48x = 186,591,166.60
  5. Step 5: Solve for x
    x = 186,591,166.60/21,396.48
  6. Step 6: Final answer
    x = 8,720.65

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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.