Home / 14,307.60-21,421.78-10,786.94

Finding the Fourth Proportional to 14,307.60, 21,421.78 and 10,786.94

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Solution

The fourth proportional to 14,307.60, 21,421.78 and 10,786.94 is: 16,150.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,307.60 : 21,421.78 = 10,786.94 : x
  2. Step 2: Convert to fraction form
    14,307.60/21,421.78 = 10,786.94/x
  3. Step 3: Cross multiply
    14,307.60x = 21,421.78 × 10,786.94
  4. Step 4: Simplify right side
    14,307.60x = 231,075,455.55
  5. Step 5: Solve for x
    x = 231,075,455.55/14,307.60
  6. Step 6: Final answer
    x = 16,150.54

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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.