Home / 14,068.70-19,415.26-7,695.64

Finding the Fourth Proportional to 14,068.70, 19,415.26 and 7,695.64

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Solution

The fourth proportional to 14,068.70, 19,415.26 and 7,695.64 is: 10,620.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,068.70 : 19,415.26 = 7,695.64 : x
  2. Step 2: Convert to fraction form
    14,068.70/19,415.26 = 7,695.64/x
  3. Step 3: Cross multiply
    14,068.70x = 19,415.26 × 7,695.64
  4. Step 4: Simplify right side
    14,068.70x = 149,412,851.47
  5. Step 5: Solve for x
    x = 149,412,851.47/14,068.70
  6. Step 6: Final answer
    x = 10,620.23

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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.