Home / 15,527.70-23,287.66-6,638.64

Finding the Fourth Proportional to 15,527.70, 23,287.66 and 6,638.64

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Solution

The fourth proportional to 15,527.70, 23,287.66 and 6,638.64 is: 9,956.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,527.70 : 23,287.66 = 6,638.64 : x
  2. Step 2: Convert to fraction form
    15,527.70/23,287.66 = 6,638.64/x
  3. Step 3: Cross multiply
    15,527.70x = 23,287.66 × 6,638.64
  4. Step 4: Simplify right side
    15,527.70x = 154,598,391.18
  5. Step 5: Solve for x
    x = 154,598,391.18/15,527.70
  6. Step 6: Final answer
    x = 9,956.30

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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.