Home / 9,117.60-13,668.30-5,999.10

Finding the Fourth Proportional to 9,117.60, 13,668.30 and 5,999.10

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Solution

The fourth proportional to 9,117.60, 13,668.30 and 5,999.10 is: 8,993.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,117.60 : 13,668.30 = 5,999.10 : x
  2. Step 2: Convert to fraction form
    9,117.60/13,668.30 = 5,999.10/x
  3. Step 3: Cross multiply
    9,117.60x = 13,668.30 × 5,999.10
  4. Step 4: Simplify right side
    9,117.60x = 81,997,498.53
  5. Step 5: Solve for x
    x = 81,997,498.53/9,117.60
  6. Step 6: Final answer
    x = 8,993.32

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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.