Home / 14,059.60-19,402.26-7,686.09

Finding the Fourth Proportional to 14,059.60, 19,402.26 and 7,686.09

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Solution

The fourth proportional to 14,059.60, 19,402.26 and 7,686.09 is: 10,606.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.60 : 19,402.26 = 7,686.09 : x
  2. Step 2: Convert to fraction form
    14,059.60/19,402.26 = 7,686.09/x
  3. Step 3: Cross multiply
    14,059.60x = 19,402.26 × 7,686.09
  4. Step 4: Simplify right side
    14,059.60x = 149,127,509.36
  5. Step 5: Solve for x
    x = 149,127,509.36/14,059.60
  6. Step 6: Final answer
    x = 10,606.81

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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.