Home / 15,400.20-23,051.70-12,095.40

Finding the Fourth Proportional to 15,400.20, 23,051.70 and 12,095.40

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Solution

The fourth proportional to 15,400.20, 23,051.70 and 12,095.40 is: 18,104.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,400.20 : 23,051.70 = 12,095.40 : x
  2. Step 2: Convert to fraction form
    15,400.20/23,051.70 = 12,095.40/x
  3. Step 3: Cross multiply
    15,400.20x = 23,051.70 × 12,095.40
  4. Step 4: Simplify right side
    15,400.20x = 278,819,532.18
  5. Step 5: Solve for x
    x = 278,819,532.18/15,400.20
  6. Step 6: Final answer
    x = 18,104.93

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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.