Home / 13,224.87-18,242.01-9,244.53

Finding the Fourth Proportional to 13,224.87, 18,242.01 and 9,244.53

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Solution

The fourth proportional to 13,224.87, 18,242.01 and 9,244.53 is: 12,751.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,224.87 : 18,242.01 = 9,244.53 : x
  2. Step 2: Convert to fraction form
    13,224.87/18,242.01 = 9,244.53/x
  3. Step 3: Cross multiply
    13,224.87x = 18,242.01 × 9,244.53
  4. Step 4: Simplify right side
    13,224.87x = 168,638,808.71
  5. Step 5: Solve for x
    x = 168,638,808.71/13,224.87
  6. Step 6: Final answer
    x = 12,751.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.