Home / 19,080.36-26,314.27-12,359.59

Finding the Fourth Proportional to 19,080.36, 26,314.27 and 12,359.59

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Solution

The fourth proportional to 19,080.36, 26,314.27 and 12,359.59 is: 17,045.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.36 : 26,314.27 = 12,359.59 : x
  2. Step 2: Convert to fraction form
    19,080.36/26,314.27 = 12,359.59/x
  3. Step 3: Cross multiply
    19,080.36x = 26,314.27 × 12,359.59
  4. Step 4: Simplify right side
    19,080.36x = 325,233,491.66
  5. Step 5: Solve for x
    x = 325,233,491.66/19,080.36
  6. Step 6: Final answer
    x = 17,045.46

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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.