Home / 19,160.40-28,746-6,014.64

Finding the Fourth Proportional to 19,160.40, 28,746 and 6,014.64

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Solution

The fourth proportional to 19,160.40, 28,746 and 6,014.64 is: 9,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,160.40 : 28,746 = 6,014.64 : x
  2. Step 2: Convert to fraction form
    19,160.40/28,746 = 6,014.64/x
  3. Step 3: Cross multiply
    19,160.40x = 28,746 × 6,014.64
  4. Step 4: Simplify right side
    19,160.40x = 172,896,841.44
  5. Step 5: Solve for x
    x = 172,896,841.44/19,160.40
  6. Step 6: Final answer
    x = 9,023.66

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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.