Home / 10,358.58-14,295.06-5,642.85

Finding the Fourth Proportional to 10,358.58, 14,295.06 and 5,642.85

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Solution

The fourth proportional to 10,358.58, 14,295.06 and 5,642.85 is: 7,787.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.58 : 14,295.06 = 5,642.85 : x
  2. Step 2: Convert to fraction form
    10,358.58/14,295.06 = 5,642.85/x
  3. Step 3: Cross multiply
    10,358.58x = 14,295.06 × 5,642.85
  4. Step 4: Simplify right side
    10,358.58x = 80,664,879.32
  5. Step 5: Solve for x
    x = 80,664,879.32/10,358.58
  6. Step 6: Final answer
    x = 7,787.25

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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.