Home / 15,430.46-23,145.76-3,743.67

Finding the Fourth Proportional to 15,430.46, 23,145.76 and 3,743.67

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Solution

The fourth proportional to 15,430.46, 23,145.76 and 3,743.67 is: 5,615.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,430.46 : 23,145.76 = 3,743.67 : x
  2. Step 2: Convert to fraction form
    15,430.46/23,145.76 = 3,743.67/x
  3. Step 3: Cross multiply
    15,430.46x = 23,145.76 × 3,743.67
  4. Step 4: Simplify right side
    15,430.46x = 86,650,087.34
  5. Step 5: Solve for x
    x = 86,650,087.34/15,430.46
  6. Step 6: Final answer
    x = 5,615.52

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Similar ratio
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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.