Home / 10,358.88-14,295.24-5,643.14

Finding the Fourth Proportional to 10,358.88, 14,295.24 and 5,643.14

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Solution

The fourth proportional to 10,358.88, 14,295.24 and 5,643.14 is: 7,787.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.88 : 14,295.24 = 5,643.14 : x
  2. Step 2: Convert to fraction form
    10,358.88/14,295.24 = 5,643.14/x
  3. Step 3: Cross multiply
    10,358.88x = 14,295.24 × 5,643.14
  4. Step 4: Simplify right side
    10,358.88x = 80,670,040.65
  5. Step 5: Solve for x
    x = 80,670,040.65/10,358.88
  6. Step 6: Final answer
    x = 7,787.53

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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.