Home / 18,926.04-28,392.48-7,826.70

Finding the Fourth Proportional to 18,926.04, 28,392.48 and 7,826.70

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Solution

The fourth proportional to 18,926.04, 28,392.48 and 7,826.70 is: 11,741.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,926.04 : 28,392.48 = 7,826.70 : x
  2. Step 2: Convert to fraction form
    18,926.04/28,392.48 = 7,826.70/x
  3. Step 3: Cross multiply
    18,926.04x = 28,392.48 × 7,826.70
  4. Step 4: Simplify right side
    18,926.04x = 222,219,423.22
  5. Step 5: Solve for x
    x = 222,219,423.22/18,926.04
  6. Step 6: Final answer
    x = 11,741.46

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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.