Home / 15,041.39-22,561.81-5,180.45

Finding the Fourth Proportional to 15,041.39, 22,561.81 and 5,180.45

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Solution

The fourth proportional to 15,041.39, 22,561.81 and 5,180.45 is: 7,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,041.39 : 22,561.81 = 5,180.45 : x
  2. Step 2: Convert to fraction form
    15,041.39/22,561.81 = 5,180.45/x
  3. Step 3: Cross multiply
    15,041.39x = 22,561.81 × 5,180.45
  4. Step 4: Simplify right side
    15,041.39x = 116,880,189.90
  5. Step 5: Solve for x
    x = 116,880,189.90/15,041.39
  6. Step 6: Final answer
    x = 7,770.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.