Home / 19,607.31-29,382.39-9,080.55

Finding the Fourth Proportional to 19,607.31, 29,382.39 and 9,080.55

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Solution

The fourth proportional to 19,607.31, 29,382.39 and 9,080.55 is: 13,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,607.31 : 29,382.39 = 9,080.55 : x
  2. Step 2: Convert to fraction form
    19,607.31/29,382.39 = 9,080.55/x
  3. Step 3: Cross multiply
    19,607.31x = 29,382.39 × 9,080.55
  4. Step 4: Simplify right side
    19,607.31x = 266,808,261.51
  5. Step 5: Solve for x
    x = 266,808,261.51/19,607.31
  6. Step 6: Final answer
    x = 13,607.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.