Home / 19,407.93-26,782.32-10,909.81

Finding the Fourth Proportional to 19,407.93, 26,782.32 and 10,909.81

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Solution

The fourth proportional to 19,407.93, 26,782.32 and 10,909.81 is: 15,055.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,407.93 : 26,782.32 = 10,909.81 : x
  2. Step 2: Convert to fraction form
    19,407.93/26,782.32 = 10,909.81/x
  3. Step 3: Cross multiply
    19,407.93x = 26,782.32 × 10,909.81
  4. Step 4: Simplify right side
    19,407.93x = 292,190,022.56
  5. Step 5: Solve for x
    x = 292,190,022.56/19,407.93
  6. Step 6: Final answer
    x = 15,055.19

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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.