Home / 13,253.24-19,884.90-8,317.40

Finding the Fourth Proportional to 13,253.24, 19,884.90 and 8,317.40

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Solution

The fourth proportional to 13,253.24, 19,884.90 and 8,317.40 is: 12,479.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,253.24 : 19,884.90 = 8,317.40 : x
  2. Step 2: Convert to fraction form
    13,253.24/19,884.90 = 8,317.40/x
  3. Step 3: Cross multiply
    13,253.24x = 19,884.90 × 8,317.40
  4. Step 4: Simplify right side
    13,253.24x = 165,390,667.26
  5. Step 5: Solve for x
    x = 165,390,667.26/13,253.24
  6. Step 6: Final answer
    x = 12,479.26

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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.