Home / 10,005.04-15,007.56-2,609.48

Finding the Fourth Proportional to 10,005.04, 15,007.56 and 2,609.48

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Solution

The fourth proportional to 10,005.04, 15,007.56 and 2,609.48 is: 3,914.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,005.04 : 15,007.56 = 2,609.48 : x
  2. Step 2: Convert to fraction form
    10,005.04/15,007.56 = 2,609.48/x
  3. Step 3: Cross multiply
    10,005.04x = 15,007.56 × 2,609.48
  4. Step 4: Simplify right side
    10,005.04x = 39,161,927.67
  5. Step 5: Solve for x
    x = 39,161,927.67/10,005.04
  6. Step 6: Final answer
    x = 3,914.22

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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.