Home / 13,666.08-20,505.81-4,901.67

Finding the Fourth Proportional to 13,666.08, 20,505.81 and 4,901.67

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Solution

The fourth proportional to 13,666.08, 20,505.81 and 4,901.67 is: 7,354.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,666.08 : 20,505.81 = 4,901.67 : x
  2. Step 2: Convert to fraction form
    13,666.08/20,505.81 = 4,901.67/x
  3. Step 3: Cross multiply
    13,666.08x = 20,505.81 × 4,901.67
  4. Step 4: Simplify right side
    13,666.08x = 100,512,713.70
  5. Step 5: Solve for x
    x = 100,512,713.70/13,666.08
  6. Step 6: Final answer
    x = 7,354.90

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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.