Home / 19,812.16-27,341.12-10,859.09

Finding the Fourth Proportional to 19,812.16, 27,341.12 and 10,859.09

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Solution

The fourth proportional to 19,812.16, 27,341.12 and 10,859.09 is: 14,985.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,812.16 : 27,341.12 = 10,859.09 : x
  2. Step 2: Convert to fraction form
    19,812.16/27,341.12 = 10,859.09/x
  3. Step 3: Cross multiply
    19,812.16x = 27,341.12 × 10,859.09
  4. Step 4: Simplify right side
    19,812.16x = 296,899,628.49
  5. Step 5: Solve for x
    x = 296,899,628.49/19,812.16
  6. Step 6: Final answer
    x = 14,985.73

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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.