Home / 10,629.09-15,943.23-4,387.50

Finding the Fourth Proportional to 10,629.09, 15,943.23 and 4,387.50

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Solution

The fourth proportional to 10,629.09, 15,943.23 and 4,387.50 is: 6,581.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,629.09 : 15,943.23 = 4,387.50 : x
  2. Step 2: Convert to fraction form
    10,629.09/15,943.23 = 4,387.50/x
  3. Step 3: Cross multiply
    10,629.09x = 15,943.23 × 4,387.50
  4. Step 4: Simplify right side
    10,629.09x = 69,950,921.63
  5. Step 5: Solve for x
    x = 69,950,921.63/10,629.09
  6. Step 6: Final answer
    x = 6,581.08

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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.