Home / 10,378.99-15,568.28-2,983.49

Finding the Fourth Proportional to 10,378.99, 15,568.28 and 2,983.49

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Solution

The fourth proportional to 10,378.99, 15,568.28 and 2,983.49 is: 4,475.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,378.99 : 15,568.28 = 2,983.49 : x
  2. Step 2: Convert to fraction form
    10,378.99/15,568.28 = 2,983.49/x
  3. Step 3: Cross multiply
    10,378.99x = 15,568.28 × 2,983.49
  4. Step 4: Simplify right side
    10,378.99x = 46,447,807.70
  5. Step 5: Solve for x
    x = 46,447,807.70/10,378.99
  6. Step 6: Final answer
    x = 4,475.18

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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.