Home / 18,423.84-27,635.08-5,276.20

Finding the Fourth Proportional to 18,423.84, 27,635.08 and 5,276.20

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Solution

The fourth proportional to 18,423.84, 27,635.08 and 5,276.20 is: 7,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,423.84 : 27,635.08 = 5,276.20 : x
  2. Step 2: Convert to fraction form
    18,423.84/27,635.08 = 5,276.20/x
  3. Step 3: Cross multiply
    18,423.84x = 27,635.08 × 5,276.20
  4. Step 4: Simplify right side
    18,423.84x = 145,808,209.10
  5. Step 5: Solve for x
    x = 145,808,209.10/18,423.84
  6. Step 6: Final answer
    x = 7,914.11

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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.