Home / 10,430.37-15,645.29-3,036.87

Finding the Fourth Proportional to 10,430.37, 15,645.29 and 3,036.87

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Solution

The fourth proportional to 10,430.37, 15,645.29 and 3,036.87 is: 4,555.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,430.37 : 15,645.29 = 3,036.87 : x
  2. Step 2: Convert to fraction form
    10,430.37/15,645.29 = 3,036.87/x
  3. Step 3: Cross multiply
    10,430.37x = 15,645.29 × 3,036.87
  4. Step 4: Simplify right side
    10,430.37x = 47,512,696.66
  5. Step 5: Solve for x
    x = 47,512,696.66/10,430.37
  6. Step 6: Final answer
    x = 4,555.23

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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.