Home / 15,266.20-22,899.30-13,905.40

Finding the Fourth Proportional to 15,266.20, 22,899.30 and 13,905.40

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Solution

The fourth proportional to 15,266.20, 22,899.30 and 13,905.40 is: 20,858.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,266.20 : 22,899.30 = 13,905.40 : x
  2. Step 2: Convert to fraction form
    15,266.20/22,899.30 = 13,905.40/x
  3. Step 3: Cross multiply
    15,266.20x = 22,899.30 × 13,905.40
  4. Step 4: Simplify right side
    15,266.20x = 318,423,926.22
  5. Step 5: Solve for x
    x = 318,423,926.22/15,266.20
  6. Step 6: Final answer
    x = 20,858.10

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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.