Home / 10,018.36-15,030.42-2,998.90

Finding the Fourth Proportional to 10,018.36, 15,030.42 and 2,998.90

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Solution

The fourth proportional to 10,018.36, 15,030.42 and 2,998.90 is: 4,499.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.36 : 15,030.42 = 2,998.90 : x
  2. Step 2: Convert to fraction form
    10,018.36/15,030.42 = 2,998.90/x
  3. Step 3: Cross multiply
    10,018.36x = 15,030.42 × 2,998.90
  4. Step 4: Simplify right side
    10,018.36x = 45,074,726.54
  5. Step 5: Solve for x
    x = 45,074,726.54/10,018.36
  6. Step 6: Final answer
    x = 4,499.21

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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.