Home / 13,089.24-19,592.55-8,402.99

Finding the Fourth Proportional to 13,089.24, 19,592.55 and 8,402.99

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Solution

The fourth proportional to 13,089.24, 19,592.55 and 8,402.99 is: 12,577.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,089.24 : 19,592.55 = 8,402.99 : x
  2. Step 2: Convert to fraction form
    13,089.24/19,592.55 = 8,402.99/x
  3. Step 3: Cross multiply
    13,089.24x = 19,592.55 × 8,402.99
  4. Step 4: Simplify right side
    13,089.24x = 164,635,903.76
  5. Step 5: Solve for x
    x = 164,635,903.76/13,089.24
  6. Step 6: Final answer
    x = 12,577.96

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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.