Home / 25,316.32-34,936.35-13,986.55

Finding the Fourth Proportional to 25,316.32, 34,936.35 and 13,986.55

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Solution

The fourth proportional to 25,316.32, 34,936.35 and 13,986.55 is: 19,301.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,316.32 : 34,936.35 = 13,986.55 : x
  2. Step 2: Convert to fraction form
    25,316.32/34,936.35 = 13,986.55/x
  3. Step 3: Cross multiply
    25,316.32x = 34,936.35 × 13,986.55
  4. Step 4: Simplify right side
    25,316.32x = 488,638,918.81
  5. Step 5: Solve for x
    x = 488,638,918.81/25,316.32
  6. Step 6: Final answer
    x = 19,301.34

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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.