Home / 15,605.13-23,396.76-5,743.13

Finding the Fourth Proportional to 15,605.13, 23,396.76 and 5,743.13

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Solution

The fourth proportional to 15,605.13, 23,396.76 and 5,743.13 is: 8,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,605.13 : 23,396.76 = 5,743.13 : x
  2. Step 2: Convert to fraction form
    15,605.13/23,396.76 = 5,743.13/x
  3. Step 3: Cross multiply
    15,605.13x = 23,396.76 × 5,743.13
  4. Step 4: Simplify right side
    15,605.13x = 134,370,561.14
  5. Step 5: Solve for x
    x = 134,370,561.14/15,605.13
  6. Step 6: Final answer
    x = 8,610.67

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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.