Home / 13,958.55-19,263.06-7,670.88

Finding the Fourth Proportional to 13,958.55, 19,263.06 and 7,670.88

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Solution

The fourth proportional to 13,958.55, 19,263.06 and 7,670.88 is: 10,585.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,958.55 : 19,263.06 = 7,670.88 : x
  2. Step 2: Convert to fraction form
    13,958.55/19,263.06 = 7,670.88/x
  3. Step 3: Cross multiply
    13,958.55x = 19,263.06 × 7,670.88
  4. Step 4: Simplify right side
    13,958.55x = 147,764,621.69
  5. Step 5: Solve for x
    x = 147,764,621.69/13,958.55
  6. Step 6: Final answer
    x = 10,585.96

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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.