Home / 19,900.09-27,459.84-10,946.76

Finding the Fourth Proportional to 19,900.09, 27,459.84 and 10,946.76

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Solution

The fourth proportional to 19,900.09, 27,459.84 and 10,946.76 is: 15,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,900.09 : 27,459.84 = 10,946.76 : x
  2. Step 2: Convert to fraction form
    19,900.09/27,459.84 = 10,946.76/x
  3. Step 3: Cross multiply
    19,900.09x = 27,459.84 × 10,946.76
  4. Step 4: Simplify right side
    19,900.09x = 300,596,278.12
  5. Step 5: Solve for x
    x = 300,596,278.12/19,900.09
  6. Step 6: Final answer
    x = 15,105.27

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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.