Home / 17,090.12-23,583.69-9,919.67

Finding the Fourth Proportional to 17,090.12, 23,583.69 and 9,919.67

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Solution

The fourth proportional to 17,090.12, 23,583.69 and 9,919.67 is: 13,688.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,090.12 : 23,583.69 = 9,919.67 : x
  2. Step 2: Convert to fraction form
    17,090.12/23,583.69 = 9,919.67/x
  3. Step 3: Cross multiply
    17,090.12x = 23,583.69 × 9,919.67
  4. Step 4: Simplify right side
    17,090.12x = 233,942,304.26
  5. Step 5: Solve for x
    x = 233,942,304.26/17,090.12
  6. Step 6: Final answer
    x = 13,688.74

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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.