Home / 14,047.68-19,389.66-8,739.33

Finding the Fourth Proportional to 14,047.68, 19,389.66 and 8,739.33

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Solution

The fourth proportional to 14,047.68, 19,389.66 and 8,739.33 is: 12,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,047.68 : 19,389.66 = 8,739.33 : x
  2. Step 2: Convert to fraction form
    14,047.68/19,389.66 = 8,739.33/x
  3. Step 3: Cross multiply
    14,047.68x = 19,389.66 × 8,739.33
  4. Step 4: Simplify right side
    14,047.68x = 169,452,637.33
  5. Step 5: Solve for x
    x = 169,452,637.33/14,047.68
  6. Step 6: Final answer
    x = 12,062.68

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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.