Home / 19,534.02-26,955.75-11,980.36

Finding the Fourth Proportional to 19,534.02, 26,955.75 and 11,980.36

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Solution

The fourth proportional to 19,534.02, 26,955.75 and 11,980.36 is: 16,532.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,534.02 : 26,955.75 = 11,980.36 : x
  2. Step 2: Convert to fraction form
    19,534.02/26,955.75 = 11,980.36/x
  3. Step 3: Cross multiply
    19,534.02x = 26,955.75 × 11,980.36
  4. Step 4: Simplify right side
    19,534.02x = 322,939,589.07
  5. Step 5: Solve for x
    x = 322,939,589.07/19,534.02
  6. Step 6: Final answer
    x = 16,532.16

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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.