Home / 18,725.10-25,840.64-10,341.60

Finding the Fourth Proportional to 18,725.10, 25,840.64 and 10,341.60

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Solution

The fourth proportional to 18,725.10, 25,840.64 and 10,341.60 is: 14,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,725.10 : 25,840.64 = 10,341.60 : x
  2. Step 2: Convert to fraction form
    18,725.10/25,840.64 = 10,341.60/x
  3. Step 3: Cross multiply
    18,725.10x = 25,840.64 × 10,341.60
  4. Step 4: Simplify right side
    18,725.10x = 267,233,562.62
  5. Step 5: Solve for x
    x = 267,233,562.62/18,725.10
  6. Step 6: Final answer
    x = 14,271.41

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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.