Home / 19,410.19-29,129.75-14,424.05

Finding the Fourth Proportional to 19,410.19, 29,129.75 and 14,424.05

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Solution

The fourth proportional to 19,410.19, 29,129.75 and 14,424.05 is: 21,646.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,410.19 : 29,129.75 = 14,424.05 : x
  2. Step 2: Convert to fraction form
    19,410.19/29,129.75 = 14,424.05/x
  3. Step 3: Cross multiply
    19,410.19x = 29,129.75 × 14,424.05
  4. Step 4: Simplify right side
    19,410.19x = 420,168,898.37
  5. Step 5: Solve for x
    x = 420,168,898.37/19,410.19
  6. Step 6: Final answer
    x = 21,646.83

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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.