Home / 10,290.53-15,435.80-2,499.34

Finding the Fourth Proportional to 10,290.53, 15,435.80 and 2,499.34

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Solution

The fourth proportional to 10,290.53, 15,435.80 and 2,499.34 is: 3,749.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,290.53 : 15,435.80 = 2,499.34 : x
  2. Step 2: Convert to fraction form
    10,290.53/15,435.80 = 2,499.34/x
  3. Step 3: Cross multiply
    10,290.53x = 15,435.80 × 2,499.34
  4. Step 4: Simplify right side
    10,290.53x = 38,579,312.37
  5. Step 5: Solve for x
    x = 38,579,312.37/10,290.53
  6. Step 6: Final answer
    x = 3,749.01

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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.