Home / 15,643.80-23,458.56-6,754.92

Finding the Fourth Proportional to 15,643.80, 23,458.56 and 6,754.92

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Solution

The fourth proportional to 15,643.80, 23,458.56 and 6,754.92 is: 10,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,643.80 : 23,458.56 = 6,754.92 : x
  2. Step 2: Convert to fraction form
    15,643.80/23,458.56 = 6,754.92/x
  3. Step 3: Cross multiply
    15,643.80x = 23,458.56 × 6,754.92
  4. Step 4: Simplify right side
    15,643.80x = 158,460,696.12
  5. Step 5: Solve for x
    x = 158,460,696.12/15,643.80
  6. Step 6: Final answer
    x = 10,129.30

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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.