Home / 19,573.36-27,011.20-10,620.87

Finding the Fourth Proportional to 19,573.36, 27,011.20 and 10,620.87

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Solution

The fourth proportional to 19,573.36, 27,011.20 and 10,620.87 is: 14,656.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,573.36 : 27,011.20 = 10,620.87 : x
  2. Step 2: Convert to fraction form
    19,573.36/27,011.20 = 10,620.87/x
  3. Step 3: Cross multiply
    19,573.36x = 27,011.20 × 10,620.87
  4. Step 4: Simplify right side
    19,573.36x = 286,882,443.74
  5. Step 5: Solve for x
    x = 286,882,443.74/19,573.36
  6. Step 6: Final answer
    x = 14,656.78

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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.