Home / 10,285.70-15,428.55-2,494.51

Finding the Fourth Proportional to 10,285.70, 15,428.55 and 2,494.51

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Solution

The fourth proportional to 10,285.70, 15,428.55 and 2,494.51 is: 3,741.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.70 : 15,428.55 = 2,494.51 : x
  2. Step 2: Convert to fraction form
    10,285.70/15,428.55 = 2,494.51/x
  3. Step 3: Cross multiply
    10,285.70x = 15,428.55 × 2,494.51
  4. Step 4: Simplify right side
    10,285.70x = 38,486,643.04
  5. Step 5: Solve for x
    x = 38,486,643.04/10,285.70
  6. Step 6: Final answer
    x = 3,741.76

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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.