Home / 23,176.56-31,971.60-13,748.16

Finding the Fourth Proportional to 23,176.56, 31,971.60 and 13,748.16

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Solution

The fourth proportional to 23,176.56, 31,971.60 and 13,748.16 is: 18,965.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,176.56 : 31,971.60 = 13,748.16 : x
  2. Step 2: Convert to fraction form
    23,176.56/31,971.60 = 13,748.16/x
  3. Step 3: Cross multiply
    23,176.56x = 31,971.60 × 13,748.16
  4. Step 4: Simplify right side
    23,176.56x = 439,550,672.26
  5. Step 5: Solve for x
    x = 439,550,672.26/23,176.56
  6. Step 6: Final answer
    x = 18,965.31

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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.