Home / 15,288.18-21,096.75-8,573.33

Finding the Fourth Proportional to 15,288.18, 21,096.75 and 8,573.33

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Solution

The fourth proportional to 15,288.18, 21,096.75 and 8,573.33 is: 11,830.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.18 : 21,096.75 = 8,573.33 : x
  2. Step 2: Convert to fraction form
    15,288.18/21,096.75 = 8,573.33/x
  3. Step 3: Cross multiply
    15,288.18x = 21,096.75 × 8,573.33
  4. Step 4: Simplify right side
    15,288.18x = 180,869,294.19
  5. Step 5: Solve for x
    x = 180,869,294.19/15,288.18
  6. Step 6: Final answer
    x = 11,830.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.