Home / 13,784.40-19,022.40-7,496.76

Finding the Fourth Proportional to 13,784.40, 19,022.40 and 7,496.76

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Solution

The fourth proportional to 13,784.40, 19,022.40 and 7,496.76 is: 10,345.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,784.40 : 19,022.40 = 7,496.76 : x
  2. Step 2: Convert to fraction form
    13,784.40/19,022.40 = 7,496.76/x
  3. Step 3: Cross multiply
    13,784.40x = 19,022.40 × 7,496.76
  4. Step 4: Simplify right side
    13,784.40x = 142,606,367.42
  5. Step 5: Solve for x
    x = 142,606,367.42/13,784.40
  6. Step 6: Final answer
    x = 10,345.49

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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.