Home / 19,014.12-28,521.99-5,866.20

Finding the Fourth Proportional to 19,014.12, 28,521.99 and 5,866.20

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Solution

The fourth proportional to 19,014.12, 28,521.99 and 5,866.20 is: 8,799.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,014.12 : 28,521.99 = 5,866.20 : x
  2. Step 2: Convert to fraction form
    19,014.12/28,521.99 = 5,866.20/x
  3. Step 3: Cross multiply
    19,014.12x = 28,521.99 × 5,866.20
  4. Step 4: Simplify right side
    19,014.12x = 167,315,697.74
  5. Step 5: Solve for x
    x = 167,315,697.74/19,014.12
  6. Step 6: Final answer
    x = 8,799.55

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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.