Home / 11,430.35-15,738.83-10,006.07

Finding the Fourth Proportional to 11,430.35, 15,738.83 and 10,006.07

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Solution

The fourth proportional to 11,430.35, 15,738.83 and 10,006.07 is: 13,777.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,430.35 : 15,738.83 = 10,006.07 : x
  2. Step 2: Convert to fraction form
    11,430.35/15,738.83 = 10,006.07/x
  3. Step 3: Cross multiply
    11,430.35x = 15,738.83 × 10,006.07
  4. Step 4: Simplify right side
    11,430.35x = 157,483,756.00
  5. Step 5: Solve for x
    x = 157,483,756.00/11,430.35
  6. Step 6: Final answer
    x = 13,777.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.