Home / 19,022.74-28,521.96-9,142.36

Finding the Fourth Proportional to 19,022.74, 28,521.96 and 9,142.36

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Solution

The fourth proportional to 19,022.74, 28,521.96 and 9,142.36 is: 13,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,022.74 : 28,521.96 = 9,142.36 : x
  2. Step 2: Convert to fraction form
    19,022.74/28,521.96 = 9,142.36/x
  3. Step 3: Cross multiply
    19,022.74x = 28,521.96 × 9,142.36
  4. Step 4: Simplify right side
    19,022.74x = 260,758,026.23
  5. Step 5: Solve for x
    x = 260,758,026.23/19,022.74
  6. Step 6: Final answer
    x = 13,707.70

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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.