Home / 15,292-21,110.64-14,370.40

Finding the Fourth Proportional to 15,292, 21,110.64 and 14,370.40

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Solution

The fourth proportional to 15,292, 21,110.64 and 14,370.40 is: 19,838.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,292 : 21,110.64 = 14,370.40 : x
  2. Step 2: Convert to fraction form
    15,292/21,110.64 = 14,370.40/x
  3. Step 3: Cross multiply
    15,292x = 21,110.64 × 14,370.40
  4. Step 4: Simplify right side
    15,292x = 303,368,341.06
  5. Step 5: Solve for x
    x = 303,368,341.06/15,292
  6. Step 6: Final answer
    x = 19,838.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.