Home / 18,160.12-25,060.75-10,503.19

Finding the Fourth Proportional to 18,160.12, 25,060.75 and 10,503.19

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Solution

The fourth proportional to 18,160.12, 25,060.75 and 10,503.19 is: 14,494.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,160.12 : 25,060.75 = 10,503.19 : x
  2. Step 2: Convert to fraction form
    18,160.12/25,060.75 = 10,503.19/x
  3. Step 3: Cross multiply
    18,160.12x = 25,060.75 × 10,503.19
  4. Step 4: Simplify right side
    18,160.12x = 263,217,818.79
  5. Step 5: Solve for x
    x = 263,217,818.79/18,160.12
  6. Step 6: Final answer
    x = 14,494.28

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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.