Home / 14,019.46-19,346.78-7,645.93

Finding the Fourth Proportional to 14,019.46, 19,346.78 and 7,645.93

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Solution

The fourth proportional to 14,019.46, 19,346.78 and 7,645.93 is: 10,551.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,019.46 : 19,346.78 = 7,645.93 : x
  2. Step 2: Convert to fraction form
    14,019.46/19,346.78 = 7,645.93/x
  3. Step 3: Cross multiply
    14,019.46x = 19,346.78 × 7,645.93
  4. Step 4: Simplify right side
    14,019.46x = 147,924,173.97
  5. Step 5: Solve for x
    x = 147,924,173.97/14,019.46
  6. Step 6: Final answer
    x = 10,551.35

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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.