Home / 10,018.48-15,029.86-2,999.06

Finding the Fourth Proportional to 10,018.48, 15,029.86 and 2,999.06

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Solution

The fourth proportional to 10,018.48, 15,029.86 and 2,999.06 is: 4,499.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.48 : 15,029.86 = 2,999.06 : x
  2. Step 2: Convert to fraction form
    10,018.48/15,029.86 = 2,999.06/x
  3. Step 3: Cross multiply
    10,018.48x = 15,029.86 × 2,999.06
  4. Step 4: Simplify right side
    10,018.48x = 45,075,451.93
  5. Step 5: Solve for x
    x = 45,075,451.93/10,018.48
  6. Step 6: Final answer
    x = 4,499.23

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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.