Home / 13,683.04-20,527.12-4,447.84

Finding the Fourth Proportional to 13,683.04, 20,527.12 and 4,447.84

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Solution

The fourth proportional to 13,683.04, 20,527.12 and 4,447.84 is: 6,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.04 : 20,527.12 = 4,447.84 : x
  2. Step 2: Convert to fraction form
    13,683.04/20,527.12 = 4,447.84/x
  3. Step 3: Cross multiply
    13,683.04x = 20,527.12 × 4,447.84
  4. Step 4: Simplify right side
    13,683.04x = 91,301,345.42
  5. Step 5: Solve for x
    x = 91,301,345.42/13,683.04
  6. Step 6: Final answer
    x = 6,672.59

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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.