Home / 18,253.89-25,190.12-10,298.67

Finding the Fourth Proportional to 18,253.89, 25,190.12 and 10,298.67

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Solution

The fourth proportional to 18,253.89, 25,190.12 and 10,298.67 is: 14,212.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,253.89 : 25,190.12 = 10,298.67 : x
  2. Step 2: Convert to fraction form
    18,253.89/25,190.12 = 10,298.67/x
  3. Step 3: Cross multiply
    18,253.89x = 25,190.12 × 10,298.67
  4. Step 4: Simplify right side
    18,253.89x = 259,424,681.65
  5. Step 5: Solve for x
    x = 259,424,681.65/18,253.89
  6. Step 6: Final answer
    x = 14,212.02

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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.