Home / 19,621.51-27,078.02-10,669.07

Finding the Fourth Proportional to 19,621.51, 27,078.02 and 10,669.07

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Solution

The fourth proportional to 19,621.51, 27,078.02 and 10,669.07 is: 14,723.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,621.51 : 27,078.02 = 10,669.07 : x
  2. Step 2: Convert to fraction form
    19,621.51/27,078.02 = 10,669.07/x
  3. Step 3: Cross multiply
    19,621.51x = 27,078.02 × 10,669.07
  4. Step 4: Simplify right side
    19,621.51x = 288,897,243.66
  5. Step 5: Solve for x
    x = 288,897,243.66/19,621.51
  6. Step 6: Final answer
    x = 14,723.50

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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.