Home / 10,644.28-15,969.51-4,403.14

Finding the Fourth Proportional to 10,644.28, 15,969.51 and 4,403.14

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Solution

The fourth proportional to 10,644.28, 15,969.51 and 4,403.14 is: 6,605.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,644.28 : 15,969.51 = 4,403.14 : x
  2. Step 2: Convert to fraction form
    10,644.28/15,969.51 = 4,403.14/x
  3. Step 3: Cross multiply
    10,644.28x = 15,969.51 × 4,403.14
  4. Step 4: Simplify right side
    10,644.28x = 70,315,988.26
  5. Step 5: Solve for x
    x = 70,315,988.26/10,644.28
  6. Step 6: Final answer
    x = 6,605.99

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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.