Home / 18,503.18-25,534.59-10,119.50

Finding the Fourth Proportional to 18,503.18, 25,534.59 and 10,119.50

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Solution

The fourth proportional to 18,503.18, 25,534.59 and 10,119.50 is: 13,965.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.18 : 25,534.59 = 10,119.50 : x
  2. Step 2: Convert to fraction form
    18,503.18/25,534.59 = 10,119.50/x
  3. Step 3: Cross multiply
    18,503.18x = 25,534.59 × 10,119.50
  4. Step 4: Simplify right side
    18,503.18x = 258,397,283.51
  5. Step 5: Solve for x
    x = 258,397,283.51/18,503.18
  6. Step 6: Final answer
    x = 13,965.02

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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.