Home / 18,923.18-28,331.22-10,018.28

Finding the Fourth Proportional to 18,923.18, 28,331.22 and 10,018.28

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Solution

The fourth proportional to 18,923.18, 28,331.22 and 10,018.28 is: 14,999.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,923.18 : 28,331.22 = 10,018.28 : x
  2. Step 2: Convert to fraction form
    18,923.18/28,331.22 = 10,018.28/x
  3. Step 3: Cross multiply
    18,923.18x = 28,331.22 × 10,018.28
  4. Step 4: Simplify right side
    18,923.18x = 283,830,094.70
  5. Step 5: Solve for x
    x = 283,830,094.70/18,923.18
  6. Step 6: Final answer
    x = 14,999.07

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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.