Home / 19,124.72-28,698.30-8,030.55

Finding the Fourth Proportional to 19,124.72, 28,698.30 and 8,030.55

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Solution

The fourth proportional to 19,124.72, 28,698.30 and 8,030.55 is: 12,050.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,124.72 : 28,698.30 = 8,030.55 : x
  2. Step 2: Convert to fraction form
    19,124.72/28,698.30 = 8,030.55/x
  3. Step 3: Cross multiply
    19,124.72x = 28,698.30 × 8,030.55
  4. Step 4: Simplify right side
    19,124.72x = 230,463,133.07
  5. Step 5: Solve for x
    x = 230,463,133.07/19,124.72
  6. Step 6: Final answer
    x = 12,050.54

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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.