Home / 15,458.80-23,195.40-8,071.60

Finding the Fourth Proportional to 15,458.80, 23,195.40 and 8,071.60

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Solution

The fourth proportional to 15,458.80, 23,195.40 and 8,071.60 is: 12,111.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,458.80 : 23,195.40 = 8,071.60 : x
  2. Step 2: Convert to fraction form
    15,458.80/23,195.40 = 8,071.60/x
  3. Step 3: Cross multiply
    15,458.80x = 23,195.40 × 8,071.60
  4. Step 4: Simplify right side
    15,458.80x = 187,223,990.64
  5. Step 5: Solve for x
    x = 187,223,990.64/15,458.80
  6. Step 6: Final answer
    x = 12,111.16

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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.