Home / 15,266.83-21,068.18-8,461.29

Finding the Fourth Proportional to 15,266.83, 21,068.18 and 8,461.29

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Solution

The fourth proportional to 15,266.83, 21,068.18 and 8,461.29 is: 11,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.83 : 21,068.18 = 8,461.29 : x
  2. Step 2: Convert to fraction form
    15,266.83/21,068.18 = 8,461.29/x
  3. Step 3: Cross multiply
    15,266.83x = 21,068.18 × 8,461.29
  4. Step 4: Simplify right side
    15,266.83x = 178,263,847.62
  5. Step 5: Solve for x
    x = 178,263,847.62/15,266.83
  6. Step 6: Final answer
    x = 11,676.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.