Home / 12,152.04-18,225.30-7,933.95

Finding the Fourth Proportional to 12,152.04, 18,225.30 and 7,933.95

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Solution

The fourth proportional to 12,152.04, 18,225.30 and 7,933.95 is: 11,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,152.04 : 18,225.30 = 7,933.95 : x
  2. Step 2: Convert to fraction form
    12,152.04/18,225.30 = 7,933.95/x
  3. Step 3: Cross multiply
    12,152.04x = 18,225.30 × 7,933.95
  4. Step 4: Simplify right side
    12,152.04x = 144,598,618.94
  5. Step 5: Solve for x
    x = 144,598,618.94/12,152.04
  6. Step 6: Final answer
    x = 11,899.12

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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.