Home / 14,455.30-19,950.60-8,791.84

Finding the Fourth Proportional to 14,455.30, 19,950.60 and 8,791.84

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Solution

The fourth proportional to 14,455.30, 19,950.60 and 8,791.84 is: 12,134.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,455.30 : 19,950.60 = 8,791.84 : x
  2. Step 2: Convert to fraction form
    14,455.30/19,950.60 = 8,791.84/x
  3. Step 3: Cross multiply
    14,455.30x = 19,950.60 × 8,791.84
  4. Step 4: Simplify right side
    14,455.30x = 175,402,483.10
  5. Step 5: Solve for x
    x = 175,402,483.10/14,455.30
  6. Step 6: Final answer
    x = 12,134.13

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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.