Home / 19,455.48-29,210.25-13,518.38

Finding the Fourth Proportional to 19,455.48, 29,210.25 and 13,518.38

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Solution

The fourth proportional to 19,455.48, 29,210.25 and 13,518.38 is: 20,296.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,455.48 : 29,210.25 = 13,518.38 : x
  2. Step 2: Convert to fraction form
    19,455.48/29,210.25 = 13,518.38/x
  3. Step 3: Cross multiply
    19,455.48x = 29,210.25 × 13,518.38
  4. Step 4: Simplify right side
    19,455.48x = 394,875,113.34
  5. Step 5: Solve for x
    x = 394,875,113.34/19,455.48
  6. Step 6: Final answer
    x = 20,296.34

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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.