Home / 12,459.24-18,686.70-4,666.44

Finding the Fourth Proportional to 12,459.24, 18,686.70 and 4,666.44

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Solution

The fourth proportional to 12,459.24, 18,686.70 and 4,666.44 is: 6,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.24 : 18,686.70 = 4,666.44 : x
  2. Step 2: Convert to fraction form
    12,459.24/18,686.70 = 4,666.44/x
  3. Step 3: Cross multiply
    12,459.24x = 18,686.70 × 4,666.44
  4. Step 4: Simplify right side
    12,459.24x = 87,200,364.35
  5. Step 5: Solve for x
    x = 87,200,364.35/12,459.24
  6. Step 6: Final answer
    x = 6,998.85

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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.