Home / 12,303.73-18,457.42-4,805.81

Finding the Fourth Proportional to 12,303.73, 18,457.42 and 4,805.81

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Solution

The fourth proportional to 12,303.73, 18,457.42 and 4,805.81 is: 7,209.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.73 : 18,457.42 = 4,805.81 : x
  2. Step 2: Convert to fraction form
    12,303.73/18,457.42 = 4,805.81/x
  3. Step 3: Cross multiply
    12,303.73x = 18,457.42 × 4,805.81
  4. Step 4: Simplify right side
    12,303.73x = 88,702,931.36
  5. Step 5: Solve for x
    x = 88,702,931.36/12,303.73
  6. Step 6: Final answer
    x = 7,209.43

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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.