Home / 18,655.53-25,744.29-10,157.85

Finding the Fourth Proportional to 18,655.53, 25,744.29 and 10,157.85

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Solution

The fourth proportional to 18,655.53, 25,744.29 and 10,157.85 is: 14,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,655.53 : 25,744.29 = 10,157.85 : x
  2. Step 2: Convert to fraction form
    18,655.53/25,744.29 = 10,157.85/x
  3. Step 3: Cross multiply
    18,655.53x = 25,744.29 × 10,157.85
  4. Step 4: Simplify right side
    18,655.53x = 261,506,636.18
  5. Step 5: Solve for x
    x = 261,506,636.18/18,655.53
  6. Step 6: Final answer
    x = 14,017.65

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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.