Home / 12,303.40-18,457.53-4,512.28

Finding the Fourth Proportional to 12,303.40, 18,457.53 and 4,512.28

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Solution

The fourth proportional to 12,303.40, 18,457.53 and 4,512.28 is: 6,769.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,303.40 : 18,457.53 = 4,512.28 : x
  2. Step 2: Convert to fraction form
    12,303.40/18,457.53 = 4,512.28/x
  3. Step 3: Cross multiply
    12,303.40x = 18,457.53 × 4,512.28
  4. Step 4: Simplify right side
    12,303.40x = 83,285,474.76
  5. Step 5: Solve for x
    x = 83,285,474.76/12,303.40
  6. Step 6: Final answer
    x = 6,769.31

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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.