Home / 12,884.55-19,302.33-7,341.72

Finding the Fourth Proportional to 12,884.55, 19,302.33 and 7,341.72

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Solution

The fourth proportional to 12,884.55, 19,302.33 and 7,341.72 is: 10,998.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.55 : 19,302.33 = 7,341.72 : x
  2. Step 2: Convert to fraction form
    12,884.55/19,302.33 = 7,341.72/x
  3. Step 3: Cross multiply
    12,884.55x = 19,302.33 × 7,341.72
  4. Step 4: Simplify right side
    12,884.55x = 141,712,302.21
  5. Step 5: Solve for x
    x = 141,712,302.21/12,884.55
  6. Step 6: Final answer
    x = 10,998.62

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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.