Home / 13,924.69-20,890.27-4,690.69

Finding the Fourth Proportional to 13,924.69, 20,890.27 and 4,690.69

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Solution

The fourth proportional to 13,924.69, 20,890.27 and 4,690.69 is: 7,037.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,924.69 : 20,890.27 = 4,690.69 : x
  2. Step 2: Convert to fraction form
    13,924.69/20,890.27 = 4,690.69/x
  3. Step 3: Cross multiply
    13,924.69x = 20,890.27 × 4,690.69
  4. Step 4: Simplify right side
    13,924.69x = 97,989,734.22
  5. Step 5: Solve for x
    x = 97,989,734.22/13,924.69
  6. Step 6: Final answer
    x = 7,037.12

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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.