Home / 25,513.31-35,214.08-14,186.78

Finding the Fourth Proportional to 25,513.31, 35,214.08 and 14,186.78

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Solution

The fourth proportional to 25,513.31, 35,214.08 and 14,186.78 is: 19,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,513.31 : 35,214.08 = 14,186.78 : x
  2. Step 2: Convert to fraction form
    25,513.31/35,214.08 = 14,186.78/x
  3. Step 3: Cross multiply
    25,513.31x = 35,214.08 × 14,186.78
  4. Step 4: Simplify right side
    25,513.31x = 499,574,405.86
  5. Step 5: Solve for x
    x = 499,574,405.86/25,513.31
  6. Step 6: Final answer
    x = 19,580.93

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1.5x scale

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.