Home / 13,491.01-20,224.10-9,109.99

Finding the Fourth Proportional to 13,491.01, 20,224.10 and 9,109.99

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Solution

The fourth proportional to 13,491.01, 20,224.10 and 9,109.99 is: 13,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,491.01 : 20,224.10 = 9,109.99 : x
  2. Step 2: Convert to fraction form
    13,491.01/20,224.10 = 9,109.99/x
  3. Step 3: Cross multiply
    13,491.01x = 20,224.10 × 9,109.99
  4. Step 4: Simplify right side
    13,491.01x = 184,241,303.21
  5. Step 5: Solve for x
    x = 184,241,303.21/13,491.01
  6. Step 6: Final answer
    x = 13,656.60

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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.