Home / 13,409.30-20,087.22-10,473.86

Finding the Fourth Proportional to 13,409.30, 20,087.22 and 10,473.86

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Solution

The fourth proportional to 13,409.30, 20,087.22 and 10,473.86 is: 15,689.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,409.30 : 20,087.22 = 10,473.86 : x
  2. Step 2: Convert to fraction form
    13,409.30/20,087.22 = 10,473.86/x
  3. Step 3: Cross multiply
    13,409.30x = 20,087.22 × 10,473.86
  4. Step 4: Simplify right side
    13,409.30x = 210,390,730.07
  5. Step 5: Solve for x
    x = 210,390,730.07/13,409.30
  6. Step 6: Final answer
    x = 15,689.91

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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.