Home / 12,303.53-18,438.14-9,299.10

Finding the Fourth Proportional to 12,303.53, 18,438.14 and 9,299.10

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Solution

The fourth proportional to 12,303.53, 18,438.14 and 9,299.10 is: 13,935.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.53 : 18,438.14 = 9,299.10 : x
  2. Step 2: Convert to fraction form
    12,303.53/18,438.14 = 9,299.10/x
  3. Step 3: Cross multiply
    12,303.53x = 18,438.14 × 9,299.10
  4. Step 4: Simplify right side
    12,303.53x = 171,458,200.06
  5. Step 5: Solve for x
    x = 171,458,200.06/12,303.53
  6. Step 6: Final answer
    x = 13,935.69

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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.