Home / 19,303.68-26,650.80-13,263.60

Finding the Fourth Proportional to 19,303.68, 26,650.80 and 13,263.60

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Solution

The fourth proportional to 19,303.68, 26,650.80 and 13,263.60 is: 18,311.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.68 : 26,650.80 = 13,263.60 : x
  2. Step 2: Convert to fraction form
    19,303.68/26,650.80 = 13,263.60/x
  3. Step 3: Cross multiply
    19,303.68x = 26,650.80 × 13,263.60
  4. Step 4: Simplify right side
    19,303.68x = 353,485,550.88
  5. Step 5: Solve for x
    x = 353,485,550.88/19,303.68
  6. Step 6: Final answer
    x = 18,311.82

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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.