Home / 13,529.65-20,297.27-4,770.67

Finding the Fourth Proportional to 13,529.65, 20,297.27 and 4,770.67

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Solution

The fourth proportional to 13,529.65, 20,297.27 and 4,770.67 is: 7,156.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,529.65 : 20,297.27 = 4,770.67 : x
  2. Step 2: Convert to fraction form
    13,529.65/20,297.27 = 4,770.67/x
  3. Step 3: Cross multiply
    13,529.65x = 20,297.27 × 4,770.67
  4. Step 4: Simplify right side
    13,529.65x = 96,831,577.07
  5. Step 5: Solve for x
    x = 96,831,577.07/13,529.65
  6. Step 6: Final answer
    x = 7,156.99

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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.