Home / 13,509.23-20,259.47-4,500.95

Finding the Fourth Proportional to 13,509.23, 20,259.47 and 4,500.95

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Solution

The fourth proportional to 13,509.23, 20,259.47 and 4,500.95 is: 6,749.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,509.23 : 20,259.47 = 4,500.95 : x
  2. Step 2: Convert to fraction form
    13,509.23/20,259.47 = 4,500.95/x
  3. Step 3: Cross multiply
    13,509.23x = 20,259.47 × 4,500.95
  4. Step 4: Simplify right side
    13,509.23x = 91,186,861.50
  5. Step 5: Solve for x
    x = 91,186,861.50/13,509.23
  6. Step 6: Final answer
    x = 6,749.97

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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.