Home / 17,430.48-26,143.20-7,039.80

Finding the Fourth Proportional to 17,430.48, 26,143.20 and 7,039.80

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Solution

The fourth proportional to 17,430.48, 26,143.20 and 7,039.80 is: 10,558.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,430.48 : 26,143.20 = 7,039.80 : x
  2. Step 2: Convert to fraction form
    17,430.48/26,143.20 = 7,039.80/x
  3. Step 3: Cross multiply
    17,430.48x = 26,143.20 × 7,039.80
  4. Step 4: Simplify right side
    17,430.48x = 184,042,899.36
  5. Step 5: Solve for x
    x = 184,042,899.36/17,430.48
  6. Step 6: Final answer
    x = 10,558.68

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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.