Home / 18,319.50-25,272.45-10,763.46

Finding the Fourth Proportional to 18,319.50, 25,272.45 and 10,763.46

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Solution

The fourth proportional to 18,319.50, 25,272.45 and 10,763.46 is: 14,848.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.50 : 25,272.45 = 10,763.46 : x
  2. Step 2: Convert to fraction form
    18,319.50/25,272.45 = 10,763.46/x
  3. Step 3: Cross multiply
    18,319.50x = 25,272.45 × 10,763.46
  4. Step 4: Simplify right side
    18,319.50x = 272,019,004.68
  5. Step 5: Solve for x
    x = 272,019,004.68/18,319.50
  6. Step 6: Final answer
    x = 14,848.60

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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.