Home / 12,552.03-18,803.70-6,988.50

Finding the Fourth Proportional to 12,552.03, 18,803.70 and 6,988.50

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Solution

The fourth proportional to 12,552.03, 18,803.70 and 6,988.50 is: 10,469.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,552.03 : 18,803.70 = 6,988.50 : x
  2. Step 2: Convert to fraction form
    12,552.03/18,803.70 = 6,988.50/x
  3. Step 3: Cross multiply
    12,552.03x = 18,803.70 × 6,988.50
  4. Step 4: Simplify right side
    12,552.03x = 131,409,657.45
  5. Step 5: Solve for x
    x = 131,409,657.45/12,552.03
  6. Step 6: Final answer
    x = 10,469.20

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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.