Home / 15,615.45-23,423.13-6,257.79

Finding the Fourth Proportional to 15,615.45, 23,423.13 and 6,257.79

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Solution

The fourth proportional to 15,615.45, 23,423.13 and 6,257.79 is: 9,386.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,615.45 : 23,423.13 = 6,257.79 : x
  2. Step 2: Convert to fraction form
    15,615.45/23,423.13 = 6,257.79/x
  3. Step 3: Cross multiply
    15,615.45x = 23,423.13 × 6,257.79
  4. Step 4: Simplify right side
    15,615.45x = 146,577,028.68
  5. Step 5: Solve for x
    x = 146,577,028.68/15,615.45
  6. Step 6: Final answer
    x = 9,386.67

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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.