Home / 19,127.26-26,388.21-14,103.40

Finding the Fourth Proportional to 19,127.26, 26,388.21 and 14,103.40

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Solution

The fourth proportional to 19,127.26, 26,388.21 and 14,103.40 is: 19,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,127.26 : 26,388.21 = 14,103.40 : x
  2. Step 2: Convert to fraction form
    19,127.26/26,388.21 = 14,103.40/x
  3. Step 3: Cross multiply
    19,127.26x = 26,388.21 × 14,103.40
  4. Step 4: Simplify right side
    19,127.26x = 372,163,480.91
  5. Step 5: Solve for x
    x = 372,163,480.91/19,127.26
  6. Step 6: Final answer
    x = 19,457.23

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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.