Home / 12,298.68-18,415.26-6,443.04

Finding the Fourth Proportional to 12,298.68, 18,415.26 and 6,443.04

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Solution

The fourth proportional to 12,298.68, 18,415.26 and 6,443.04 is: 9,647.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,298.68 : 18,415.26 = 6,443.04 : x
  2. Step 2: Convert to fraction form
    12,298.68/18,415.26 = 6,443.04/x
  3. Step 3: Cross multiply
    12,298.68x = 18,415.26 × 6,443.04
  4. Step 4: Simplify right side
    12,298.68x = 118,650,256.79
  5. Step 5: Solve for x
    x = 118,650,256.79/12,298.68
  6. Step 6: Final answer
    x = 9,647.40

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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.