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Finding the Fourth Proportional to 18,017.80, 27,026.70 and 9,253.60

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Solution

The fourth proportional to 18,017.80, 27,026.70 and 9,253.60 is: 13,880.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,017.80 : 27,026.70 = 9,253.60 : x
  2. Step 2: Convert to fraction form
    18,017.80/27,026.70 = 9,253.60/x
  3. Step 3: Cross multiply
    18,017.80x = 27,026.70 × 9,253.60
  4. Step 4: Simplify right side
    18,017.80x = 250,094,271.12
  5. Step 5: Solve for x
    x = 250,094,271.12/18,017.80
  6. Step 6: Final answer
    x = 13,880.40

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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.