Home / 19,308.83-26,643.93-10,811.42

Finding the Fourth Proportional to 19,308.83, 26,643.93 and 10,811.42

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Solution

The fourth proportional to 19,308.83, 26,643.93 and 10,811.42 is: 14,918.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,308.83 : 26,643.93 = 10,811.42 : x
  2. Step 2: Convert to fraction form
    19,308.83/26,643.93 = 10,811.42/x
  3. Step 3: Cross multiply
    19,308.83x = 26,643.93 × 10,811.42
  4. Step 4: Simplify right side
    19,308.83x = 288,058,717.68
  5. Step 5: Solve for x
    x = 288,058,717.68/19,308.83
  6. Step 6: Final answer
    x = 14,918.50

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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.