Home / 19,023.40-26,197.86-13,709.80

Finding the Fourth Proportional to 19,023.40, 26,197.86 and 13,709.80

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Solution

The fourth proportional to 19,023.40, 26,197.86 and 13,709.80 is: 18,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,023.40 : 26,197.86 = 13,709.80 : x
  2. Step 2: Convert to fraction form
    19,023.40/26,197.86 = 13,709.80/x
  3. Step 3: Cross multiply
    19,023.40x = 26,197.86 × 13,709.80
  4. Step 4: Simplify right side
    19,023.40x = 359,167,421.03
  5. Step 5: Solve for x
    x = 359,167,421.03/19,023.40
  6. Step 6: Final answer
    x = 18,880.30

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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.