Home / 12,457.40-18,685.70-5,059.67

Finding the Fourth Proportional to 12,457.40, 18,685.70 and 5,059.67

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Solution

The fourth proportional to 12,457.40, 18,685.70 and 5,059.67 is: 7,589.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.40 : 18,685.70 = 5,059.67 : x
  2. Step 2: Convert to fraction form
    12,457.40/18,685.70 = 5,059.67/x
  3. Step 3: Cross multiply
    12,457.40x = 18,685.70 × 5,059.67
  4. Step 4: Simplify right side
    12,457.40x = 94,543,450.42
  5. Step 5: Solve for x
    x = 94,543,450.42/12,457.40
  6. Step 6: Final answer
    x = 7,589.34

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Similar ratio
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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.