Home / 19,619.48-27,074.28-10,666.76

Finding the Fourth Proportional to 19,619.48, 27,074.28 and 10,666.76

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Solution

The fourth proportional to 19,619.48, 27,074.28 and 10,666.76 is: 14,719.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,619.48 : 27,074.28 = 10,666.76 : x
  2. Step 2: Convert to fraction form
    19,619.48/27,074.28 = 10,666.76/x
  3. Step 3: Cross multiply
    19,619.48x = 27,074.28 × 10,666.76
  4. Step 4: Simplify right side
    19,619.48x = 288,794,711.56
  5. Step 5: Solve for x
    x = 288,794,711.56/19,619.48
  6. Step 6: Final answer
    x = 14,719.80

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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.