Home / 19,690.93-29,536.33-4,899.85

Finding the Fourth Proportional to 19,690.93, 29,536.33 and 4,899.85

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Solution

The fourth proportional to 19,690.93, 29,536.33 and 4,899.85 is: 7,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,690.93 : 29,536.33 = 4,899.85 : x
  2. Step 2: Convert to fraction form
    19,690.93/29,536.33 = 4,899.85/x
  3. Step 3: Cross multiply
    19,690.93x = 29,536.33 × 4,899.85
  4. Step 4: Simplify right side
    19,690.93x = 144,723,586.55
  5. Step 5: Solve for x
    x = 144,723,586.55/19,690.93
  6. Step 6: Final answer
    x = 7,349.76

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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.