Home / 13,018.40-19,527.60-5,232.80

Finding the Fourth Proportional to 13,018.40, 19,527.60 and 5,232.80

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Solution

The fourth proportional to 13,018.40, 19,527.60 and 5,232.80 is: 7,849.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,018.40 : 19,527.60 = 5,232.80 : x
  2. Step 2: Convert to fraction form
    13,018.40/19,527.60 = 5,232.80/x
  3. Step 3: Cross multiply
    13,018.40x = 19,527.60 × 5,232.80
  4. Step 4: Simplify right side
    13,018.40x = 102,184,025.28
  5. Step 5: Solve for x
    x = 102,184,025.28/13,018.40
  6. Step 6: Final answer
    x = 7,849.20

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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.