Home / 13,506.32-20,260.96-5,193.40

Finding the Fourth Proportional to 13,506.32, 20,260.96 and 5,193.40

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Solution

The fourth proportional to 13,506.32, 20,260.96 and 5,193.40 is: 7,790.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,506.32 : 20,260.96 = 5,193.40 : x
  2. Step 2: Convert to fraction form
    13,506.32/20,260.96 = 5,193.40/x
  3. Step 3: Cross multiply
    13,506.32x = 20,260.96 × 5,193.40
  4. Step 4: Simplify right side
    13,506.32x = 105,223,269.66
  5. Step 5: Solve for x
    x = 105,223,269.66/13,506.32
  6. Step 6: Final answer
    x = 7,790.67

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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.