Home / 12,256.21-18,368.12-4,457.53

Finding the Fourth Proportional to 12,256.21, 18,368.12 and 4,457.53

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Solution

The fourth proportional to 12,256.21, 18,368.12 and 4,457.53 is: 6,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,256.21 : 18,368.12 = 4,457.53 : x
  2. Step 2: Convert to fraction form
    12,256.21/18,368.12 = 4,457.53/x
  3. Step 3: Cross multiply
    12,256.21x = 18,368.12 × 4,457.53
  4. Step 4: Simplify right side
    12,256.21x = 81,876,423.66
  5. Step 5: Solve for x
    x = 81,876,423.66/12,256.21
  6. Step 6: Final answer
    x = 6,680.40

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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.