Home / 14,303.35-21,415.42-10,782.69

Finding the Fourth Proportional to 14,303.35, 21,415.42 and 10,782.69

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Solution

The fourth proportional to 14,303.35, 21,415.42 and 10,782.69 is: 16,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.35 : 21,415.42 = 10,782.69 : x
  2. Step 2: Convert to fraction form
    14,303.35/21,415.42 = 10,782.69/x
  3. Step 3: Cross multiply
    14,303.35x = 21,415.42 × 10,782.69
  4. Step 4: Simplify right side
    14,303.35x = 230,915,835.08
  5. Step 5: Solve for x
    x = 230,915,835.08/14,303.35
  6. Step 6: Final answer
    x = 16,144.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.