Home / 13,019.60-19,527.40-4,254.56

Finding the Fourth Proportional to 13,019.60, 19,527.40 and 4,254.56

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Solution

The fourth proportional to 13,019.60, 19,527.40 and 4,254.56 is: 6,381.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,019.60 : 19,527.40 = 4,254.56 : x
  2. Step 2: Convert to fraction form
    13,019.60/19,527.40 = 4,254.56/x
  3. Step 3: Cross multiply
    13,019.60x = 19,527.40 × 4,254.56
  4. Step 4: Simplify right side
    13,019.60x = 83,080,494.94
  5. Step 5: Solve for x
    x = 83,080,494.94/13,019.60
  6. Step 6: Final answer
    x = 6,381.19

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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.