Home / 13,967.34-19,275.26-7,679.71

Finding the Fourth Proportional to 13,967.34, 19,275.26 and 7,679.71

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Solution

The fourth proportional to 13,967.34, 19,275.26 and 7,679.71 is: 10,598.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.34 : 19,275.26 = 7,679.71 : x
  2. Step 2: Convert to fraction form
    13,967.34/19,275.26 = 7,679.71/x
  3. Step 3: Cross multiply
    13,967.34x = 19,275.26 × 7,679.71
  4. Step 4: Simplify right side
    13,967.34x = 148,028,406.97
  5. Step 5: Solve for x
    x = 148,028,406.97/13,967.34
  6. Step 6: Final answer
    x = 10,598.18

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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.