Home / 22,640.60-31,254.48-13,570.26

Finding the Fourth Proportional to 22,640.60, 31,254.48 and 13,570.26

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Solution

The fourth proportional to 22,640.60, 31,254.48 and 13,570.26 is: 18,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.60 : 31,254.48 = 13,570.26 : x
  2. Step 2: Convert to fraction form
    22,640.60/31,254.48 = 13,570.26/x
  3. Step 3: Cross multiply
    22,640.60x = 31,254.48 × 13,570.26
  4. Step 4: Simplify right side
    22,640.60x = 424,131,419.76
  5. Step 5: Solve for x
    x = 424,131,419.76/22,640.60
  6. Step 6: Final answer
    x = 18,733.22

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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.