Home / 15,382.64-23,071.44-4,290.08

Finding the Fourth Proportional to 15,382.64, 23,071.44 and 4,290.08

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Solution

The fourth proportional to 15,382.64, 23,071.44 and 4,290.08 is: 6,434.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,382.64 : 23,071.44 = 4,290.08 : x
  2. Step 2: Convert to fraction form
    15,382.64/23,071.44 = 4,290.08/x
  3. Step 3: Cross multiply
    15,382.64x = 23,071.44 × 4,290.08
  4. Step 4: Simplify right side
    15,382.64x = 98,978,323.32
  5. Step 5: Solve for x
    x = 98,978,323.32/15,382.64
  6. Step 6: Final answer
    x = 6,434.42

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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.