Home / 13,898.80-19,160.58-8,590.60

Finding the Fourth Proportional to 13,898.80, 19,160.58 and 8,590.60

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Solution

The fourth proportional to 13,898.80, 19,160.58 and 8,590.60 is: 11,842.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,898.80 : 19,160.58 = 8,590.60 : x
  2. Step 2: Convert to fraction form
    13,898.80/19,160.58 = 8,590.60/x
  3. Step 3: Cross multiply
    13,898.80x = 19,160.58 × 8,590.60
  4. Step 4: Simplify right side
    13,898.80x = 164,600,878.55
  5. Step 5: Solve for x
    x = 164,600,878.55/13,898.80
  6. Step 6: Final answer
    x = 11,842.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.