Home / 17,230.60-25,858.77-12,798.51

Finding the Fourth Proportional to 17,230.60, 25,858.77 and 12,798.51

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Solution

The fourth proportional to 17,230.60, 25,858.77 and 12,798.51 is: 19,207.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,230.60 : 25,858.77 = 12,798.51 : x
  2. Step 2: Convert to fraction form
    17,230.60/25,858.77 = 12,798.51/x
  3. Step 3: Cross multiply
    17,230.60x = 25,858.77 × 12,798.51
  4. Step 4: Simplify right side
    17,230.60x = 330,953,617.46
  5. Step 5: Solve for x
    x = 330,953,617.46/17,230.60
  6. Step 6: Final answer
    x = 19,207.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.