Home / 18,995.06-28,492.58-4,955.04

Finding the Fourth Proportional to 18,995.06, 28,492.58 and 4,955.04

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Solution

The fourth proportional to 18,995.06, 28,492.58 and 4,955.04 is: 7,432.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,995.06 : 28,492.58 = 4,955.04 : x
  2. Step 2: Convert to fraction form
    18,995.06/28,492.58 = 4,955.04/x
  3. Step 3: Cross multiply
    18,995.06x = 28,492.58 × 4,955.04
  4. Step 4: Simplify right side
    18,995.06x = 141,181,885.99
  5. Step 5: Solve for x
    x = 141,181,885.99/18,995.06
  6. Step 6: Final answer
    x = 7,432.56

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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.