Home / 17,728.45-24,465.14-9,770.68

Finding the Fourth Proportional to 17,728.45, 24,465.14 and 9,770.68

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Solution

The fourth proportional to 17,728.45, 24,465.14 and 9,770.68 is: 13,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,728.45 : 24,465.14 = 9,770.68 : x
  2. Step 2: Convert to fraction form
    17,728.45/24,465.14 = 9,770.68/x
  3. Step 3: Cross multiply
    17,728.45x = 24,465.14 × 9,770.68
  4. Step 4: Simplify right side
    17,728.45x = 239,041,054.10
  5. Step 5: Solve for x
    x = 239,041,054.10/17,728.45
  6. Step 6: Final answer
    x = 13,483.47

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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.