Home / 23,113.96-31,897.26-12,503.60

Finding the Fourth Proportional to 23,113.96, 31,897.26 and 12,503.60

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Solution

The fourth proportional to 23,113.96, 31,897.26 and 12,503.60 is: 17,254.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,113.96 : 31,897.26 = 12,503.60 : x
  2. Step 2: Convert to fraction form
    23,113.96/31,897.26 = 12,503.60/x
  3. Step 3: Cross multiply
    23,113.96x = 31,897.26 × 12,503.60
  4. Step 4: Simplify right side
    23,113.96x = 398,830,580.14
  5. Step 5: Solve for x
    x = 398,830,580.14/23,113.96
  6. Step 6: Final answer
    x = 17,254.97

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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.