Home / 15,288.35-21,096.68-8,573.04

Finding the Fourth Proportional to 15,288.35, 21,096.68 and 8,573.04

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Solution

The fourth proportional to 15,288.35, 21,096.68 and 8,573.04 is: 11,830.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,288.35 : 21,096.68 = 8,573.04 : x
  2. Step 2: Convert to fraction form
    15,288.35/21,096.68 = 8,573.04/x
  3. Step 3: Cross multiply
    15,288.35x = 21,096.68 × 8,573.04
  4. Step 4: Simplify right side
    15,288.35x = 180,862,638.64
  5. Step 5: Solve for x
    x = 180,862,638.64/15,288.35
  6. Step 6: Final answer
    x = 11,830.10

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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.