Home / 13,023.38-19,523.03-5,130.18

Finding the Fourth Proportional to 13,023.38, 19,523.03 and 5,130.18

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Solution

The fourth proportional to 13,023.38, 19,523.03 and 5,130.18 is: 7,690.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.38 : 19,523.03 = 5,130.18 : x
  2. Step 2: Convert to fraction form
    13,023.38/19,523.03 = 5,130.18/x
  3. Step 3: Cross multiply
    13,023.38x = 19,523.03 × 5,130.18
  4. Step 4: Simplify right side
    13,023.38x = 100,156,632.39
  5. Step 5: Solve for x
    x = 100,156,632.39/13,023.38
  6. Step 6: Final answer
    x = 7,690.53

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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.