Home / 10,505.45-14,497.34-5,725.44

Finding the Fourth Proportional to 10,505.45, 14,497.34 and 5,725.44

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Solution

The fourth proportional to 10,505.45, 14,497.34 and 5,725.44 is: 7,901.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.45 : 14,497.34 = 5,725.44 : x
  2. Step 2: Convert to fraction form
    10,505.45/14,497.34 = 5,725.44/x
  3. Step 3: Cross multiply
    10,505.45x = 14,497.34 × 5,725.44
  4. Step 4: Simplify right side
    10,505.45x = 83,003,621.70
  5. Step 5: Solve for x
    x = 83,003,621.70/10,505.45
  6. Step 6: Final answer
    x = 7,901.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.