Home / 17,623.40-24,322.80-10,911.20

Finding the Fourth Proportional to 17,623.40, 24,322.80 and 10,911.20

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Solution

The fourth proportional to 17,623.40, 24,322.80 and 10,911.20 is: 15,059.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,623.40 : 24,322.80 = 10,911.20 : x
  2. Step 2: Convert to fraction form
    17,623.40/24,322.80 = 10,911.20/x
  3. Step 3: Cross multiply
    17,623.40x = 24,322.80 × 10,911.20
  4. Step 4: Simplify right side
    17,623.40x = 265,390,935.36
  5. Step 5: Solve for x
    x = 265,390,935.36/17,623.40
  6. Step 6: Final answer
    x = 15,059.01

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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.