Home / 19,479.36-29,219.12-10,709.48

Finding the Fourth Proportional to 19,479.36, 29,219.12 and 10,709.48

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Solution

The fourth proportional to 19,479.36, 29,219.12 and 10,709.48 is: 16,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,479.36 : 29,219.12 = 10,709.48 : x
  2. Step 2: Convert to fraction form
    19,479.36/29,219.12 = 10,709.48/x
  3. Step 3: Cross multiply
    19,479.36x = 29,219.12 × 10,709.48
  4. Step 4: Simplify right side
    19,479.36x = 312,921,581.26
  5. Step 5: Solve for x
    x = 312,921,581.26/19,479.36
  6. Step 6: Final answer
    x = 16,064.26

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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.