Home / 14,378.03-19,795.64-14,064.32

Finding the Fourth Proportional to 14,378.03, 19,795.64 and 14,064.32

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Solution

The fourth proportional to 14,378.03, 19,795.64 and 14,064.32 is: 19,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,378.03 : 19,795.64 = 14,064.32 : x
  2. Step 2: Convert to fraction form
    14,378.03/19,795.64 = 14,064.32/x
  3. Step 3: Cross multiply
    14,378.03x = 19,795.64 × 14,064.32
  4. Step 4: Simplify right side
    14,378.03x = 278,412,046.27
  5. Step 5: Solve for x
    x = 278,412,046.27/14,378.03
  6. Step 6: Final answer
    x = 19,363.72

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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.