Home / 19,080.53-26,317.93-13,427.13

Finding the Fourth Proportional to 19,080.53, 26,317.93 and 13,427.13

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Solution

The fourth proportional to 19,080.53, 26,317.93 and 13,427.13 is: 18,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.53 : 26,317.93 = 13,427.13 : x
  2. Step 2: Convert to fraction form
    19,080.53/26,317.93 = 13,427.13/x
  3. Step 3: Cross multiply
    19,080.53x = 26,317.93 × 13,427.13
  4. Step 4: Simplify right side
    19,080.53x = 353,374,267.44
  5. Step 5: Solve for x
    x = 353,374,267.44/19,080.53
  6. Step 6: Final answer
    x = 18,520.15

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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.