Home / 13,683.71-20,528.34-4,325.19

Finding the Fourth Proportional to 13,683.71, 20,528.34 and 4,325.19

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Solution

The fourth proportional to 13,683.71, 20,528.34 and 4,325.19 is: 6,488.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,683.71 : 20,528.34 = 4,325.19 : x
  2. Step 2: Convert to fraction form
    13,683.71/20,528.34 = 4,325.19/x
  3. Step 3: Cross multiply
    13,683.71x = 20,528.34 × 4,325.19
  4. Step 4: Simplify right side
    13,683.71x = 88,788,857.43
  5. Step 5: Solve for x
    x = 88,788,857.43/13,683.71
  6. Step 6: Final answer
    x = 6,488.66

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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.