Home / 10,628.25-15,940.08-4,386.63

Finding the Fourth Proportional to 10,628.25, 15,940.08 and 4,386.63

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Solution

The fourth proportional to 10,628.25, 15,940.08 and 4,386.63 is: 6,579.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,628.25 : 15,940.08 = 4,386.63 : x
  2. Step 2: Convert to fraction form
    10,628.25/15,940.08 = 4,386.63/x
  3. Step 3: Cross multiply
    10,628.25x = 15,940.08 × 4,386.63
  4. Step 4: Simplify right side
    10,628.25x = 69,923,233.13
  5. Step 5: Solve for x
    x = 69,923,233.13/10,628.25
  6. Step 6: Final answer
    x = 6,579.00

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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.