Home / 18,655.23-25,743.35-10,157.32

Finding the Fourth Proportional to 18,655.23, 25,743.35 and 10,157.32

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Solution

The fourth proportional to 18,655.23, 25,743.35 and 10,157.32 is: 14,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.23 : 25,743.35 = 10,157.32 : x
  2. Step 2: Convert to fraction form
    18,655.23/25,743.35 = 10,157.32/x
  3. Step 3: Cross multiply
    18,655.23x = 25,743.35 × 10,157.32
  4. Step 4: Simplify right side
    18,655.23x = 261,483,533.57
  5. Step 5: Solve for x
    x = 261,483,533.57/18,655.23
  6. Step 6: Final answer
    x = 14,016.64

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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.