Home / 19,134.12-26,430-14,712.24

Finding the Fourth Proportional to 19,134.12, 26,430 and 14,712.24

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Solution

The fourth proportional to 19,134.12, 26,430 and 14,712.24 is: 20,322.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,134.12 : 26,430 = 14,712.24 : x
  2. Step 2: Convert to fraction form
    19,134.12/26,430 = 14,712.24/x
  3. Step 3: Cross multiply
    19,134.12x = 26,430 × 14,712.24
  4. Step 4: Simplify right side
    19,134.12x = 388,844,503.20
  5. Step 5: Solve for x
    x = 388,844,503.20/19,134.12
  6. Step 6: Final answer
    x = 20,322.05

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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.