Home / 13,955.74-19,258.91-7,668.11

Finding the Fourth Proportional to 13,955.74, 19,258.91 and 7,668.11

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Solution

The fourth proportional to 13,955.74, 19,258.91 and 7,668.11 is: 10,581.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,955.74 : 19,258.91 = 7,668.11 : x
  2. Step 2: Convert to fraction form
    13,955.74/19,258.91 = 7,668.11/x
  3. Step 3: Cross multiply
    13,955.74x = 19,258.91 × 7,668.11
  4. Step 4: Simplify right side
    13,955.74x = 147,679,440.36
  5. Step 5: Solve for x
    x = 147,679,440.36/13,955.74
  6. Step 6: Final answer
    x = 10,581.99

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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.