Home / 13,391.64-20,071.26-9,668.07

Finding the Fourth Proportional to 13,391.64, 20,071.26 and 9,668.07

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Solution

The fourth proportional to 13,391.64, 20,071.26 and 9,668.07 is: 14,490.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,391.64 : 20,071.26 = 9,668.07 : x
  2. Step 2: Convert to fraction form
    13,391.64/20,071.26 = 9,668.07/x
  3. Step 3: Cross multiply
    13,391.64x = 20,071.26 × 9,668.07
  4. Step 4: Simplify right side
    13,391.64x = 194,050,346.67
  5. Step 5: Solve for x
    x = 194,050,346.67/13,391.64
  6. Step 6: Final answer
    x = 14,490.41

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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.