Home / 19,324.48-28,987.09-12,703.17

Finding the Fourth Proportional to 19,324.48, 28,987.09 and 12,703.17

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Solution

The fourth proportional to 19,324.48, 28,987.09 and 12,703.17 is: 19,054.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324.48 : 28,987.09 = 12,703.17 : x
  2. Step 2: Convert to fraction form
    19,324.48/28,987.09 = 12,703.17/x
  3. Step 3: Cross multiply
    19,324.48x = 28,987.09 × 12,703.17
  4. Step 4: Simplify right side
    19,324.48x = 368,227,840.93
  5. Step 5: Solve for x
    x = 368,227,840.93/19,324.48
  6. Step 6: Final answer
    x = 19,054.99

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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.