Home / 18,749.42-28,124.48-6,269.51

Finding the Fourth Proportional to 18,749.42, 28,124.48 and 6,269.51

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Solution

The fourth proportional to 18,749.42, 28,124.48 and 6,269.51 is: 9,404.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,749.42 : 28,124.48 = 6,269.51 : x
  2. Step 2: Convert to fraction form
    18,749.42/28,124.48 = 6,269.51/x
  3. Step 3: Cross multiply
    18,749.42x = 28,124.48 × 6,269.51
  4. Step 4: Simplify right side
    18,749.42x = 176,326,807.69
  5. Step 5: Solve for x
    x = 176,326,807.69/18,749.42
  6. Step 6: Final answer
    x = 9,404.39

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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.