Home / 19,616.09-27,070.67-10,664.08

Finding the Fourth Proportional to 19,616.09, 27,070.67 and 10,664.08

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Solution

The fourth proportional to 19,616.09, 27,070.67 and 10,664.08 is: 14,716.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,616.09 : 27,070.67 = 10,664.08 : x
  2. Step 2: Convert to fraction form
    19,616.09/27,070.67 = 10,664.08/x
  3. Step 3: Cross multiply
    19,616.09x = 27,070.67 × 10,664.08
  4. Step 4: Simplify right side
    19,616.09x = 288,683,749.52
  5. Step 5: Solve for x
    x = 288,683,749.52/19,616.09
  6. Step 6: Final answer
    x = 14,716.69

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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.