Home / 19,448.96-29,139.84-15,315.36

Finding the Fourth Proportional to 19,448.96, 29,139.84 and 15,315.36

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Solution

The fourth proportional to 19,448.96, 29,139.84 and 15,315.36 is: 22,946.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,448.96 : 29,139.84 = 15,315.36 : x
  2. Step 2: Convert to fraction form
    19,448.96/29,139.84 = 15,315.36/x
  3. Step 3: Cross multiply
    19,448.96x = 29,139.84 × 15,315.36
  4. Step 4: Simplify right side
    19,448.96x = 446,287,139.94
  5. Step 5: Solve for x
    x = 446,287,139.94/19,448.96
  6. Step 6: Final answer
    x = 22,946.58

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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.