Home / 13,047.20-19,526.88-11,968.16

Finding the Fourth Proportional to 13,047.20, 19,526.88 and 11,968.16

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Solution

The fourth proportional to 13,047.20, 19,526.88 and 11,968.16 is: 17,911.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.20 : 19,526.88 = 11,968.16 : x
  2. Step 2: Convert to fraction form
    13,047.20/19,526.88 = 11,968.16/x
  3. Step 3: Cross multiply
    13,047.20x = 19,526.88 × 11,968.16
  4. Step 4: Simplify right side
    13,047.20x = 233,700,824.14
  5. Step 5: Solve for x
    x = 233,700,824.14/13,047.20
  6. Step 6: Final answer
    x = 17,911.95

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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.