Home / 19,756.68-27,264.51-13,385.22

Finding the Fourth Proportional to 19,756.68, 27,264.51 and 13,385.22

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Solution

The fourth proportional to 19,756.68, 27,264.51 and 13,385.22 is: 18,471.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,756.68 : 27,264.51 = 13,385.22 : x
  2. Step 2: Convert to fraction form
    19,756.68/27,264.51 = 13,385.22/x
  3. Step 3: Cross multiply
    19,756.68x = 27,264.51 × 13,385.22
  4. Step 4: Simplify right side
    19,756.68x = 364,941,464.54
  5. Step 5: Solve for x
    x = 364,941,464.54/19,756.68
  6. Step 6: Final answer
    x = 18,471.80

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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.