Home / 10,037.80-15,056.70-2,643.40

Finding the Fourth Proportional to 10,037.80, 15,056.70 and 2,643.40

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Solution

The fourth proportional to 10,037.80, 15,056.70 and 2,643.40 is: 3,965.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,037.80 : 15,056.70 = 2,643.40 : x
  2. Step 2: Convert to fraction form
    10,037.80/15,056.70 = 2,643.40/x
  3. Step 3: Cross multiply
    10,037.80x = 15,056.70 × 2,643.40
  4. Step 4: Simplify right side
    10,037.80x = 39,800,880.78
  5. Step 5: Solve for x
    x = 39,800,880.78/10,037.80
  6. Step 6: Final answer
    x = 3,965.10

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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.