Home / 12,360.21-18,536.48-4,461.71

Finding the Fourth Proportional to 12,360.21, 18,536.48 and 4,461.71

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Solution

The fourth proportional to 12,360.21, 18,536.48 and 4,461.71 is: 6,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,360.21 : 18,536.48 = 4,461.71 : x
  2. Step 2: Convert to fraction form
    12,360.21/18,536.48 = 4,461.71/x
  3. Step 3: Cross multiply
    12,360.21x = 18,536.48 × 4,461.71
  4. Step 4: Simplify right side
    12,360.21x = 82,704,283.19
  5. Step 5: Solve for x
    x = 82,704,283.19/12,360.21
  6. Step 6: Final answer
    x = 6,691.17

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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.