Home / 18,319.47-25,281.93-10,253.05

Finding the Fourth Proportional to 18,319.47, 25,281.93 and 10,253.05

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Solution

The fourth proportional to 18,319.47, 25,281.93 and 10,253.05 is: 14,149.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,319.47 : 25,281.93 = 10,253.05 : x
  2. Step 2: Convert to fraction form
    18,319.47/25,281.93 = 10,253.05/x
  3. Step 3: Cross multiply
    18,319.47x = 25,281.93 × 10,253.05
  4. Step 4: Simplify right side
    18,319.47x = 259,216,892.39
  5. Step 5: Solve for x
    x = 259,216,892.39/18,319.47
  6. Step 6: Final answer
    x = 14,149.81

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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.