Home / 10,029.71-15,039.36-4,405.07

Finding the Fourth Proportional to 10,029.71, 15,039.36 and 4,405.07

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Solution

The fourth proportional to 10,029.71, 15,039.36 and 4,405.07 is: 6,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,029.71 : 15,039.36 = 4,405.07 : x
  2. Step 2: Convert to fraction form
    10,029.71/15,039.36 = 4,405.07/x
  3. Step 3: Cross multiply
    10,029.71x = 15,039.36 × 4,405.07
  4. Step 4: Simplify right side
    10,029.71x = 66,249,433.56
  5. Step 5: Solve for x
    x = 66,249,433.56/10,029.71
  6. Step 6: Final answer
    x = 6,605.32

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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.