Home / 18,655.31-25,744.88-10,157.99

Finding the Fourth Proportional to 18,655.31, 25,744.88 and 10,157.99

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Solution

The fourth proportional to 18,655.31, 25,744.88 and 10,157.99 is: 14,018.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.31 : 25,744.88 = 10,157.99 : x
  2. Step 2: Convert to fraction form
    18,655.31/25,744.88 = 10,157.99/x
  3. Step 3: Cross multiply
    18,655.31x = 25,744.88 × 10,157.99
  4. Step 4: Simplify right side
    18,655.31x = 261,516,182.80
  5. Step 5: Solve for x
    x = 261,516,182.80/18,655.31
  6. Step 6: Final answer
    x = 14,018.32

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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.