Home / 10,018.49-15,030.61-2,999.03

Finding the Fourth Proportional to 10,018.49, 15,030.61 and 2,999.03

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Solution

The fourth proportional to 10,018.49, 15,030.61 and 2,999.03 is: 4,499.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.49 : 15,030.61 = 2,999.03 : x
  2. Step 2: Convert to fraction form
    10,018.49/15,030.61 = 2,999.03/x
  3. Step 3: Cross multiply
    10,018.49x = 15,030.61 × 2,999.03
  4. Step 4: Simplify right side
    10,018.49x = 45,077,167.66
  5. Step 5: Solve for x
    x = 45,077,167.66/10,018.49
  6. Step 6: Final answer
    x = 4,499.40

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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.