Home / 30,006.63-45,015.41-10,287.18

Finding the Fourth Proportional to 30,006.63, 45,015.41 and 10,287.18

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Solution

The fourth proportional to 30,006.63, 45,015.41 and 10,287.18 is: 15,432.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.63 : 45,015.41 = 10,287.18 : x
  2. Step 2: Convert to fraction form
    30,006.63/45,015.41 = 10,287.18/x
  3. Step 3: Cross multiply
    30,006.63x = 45,015.41 × 10,287.18
  4. Step 4: Simplify right side
    30,006.63x = 463,081,651.16
  5. Step 5: Solve for x
    x = 463,081,651.16/30,006.63
  6. Step 6: Final answer
    x = 15,432.64

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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.