Home / 15,480.16-23,222.70-5,619.22

Finding the Fourth Proportional to 15,480.16, 23,222.70 and 5,619.22

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Solution

The fourth proportional to 15,480.16, 23,222.70 and 5,619.22 is: 8,429.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.16 : 23,222.70 = 5,619.22 : x
  2. Step 2: Convert to fraction form
    15,480.16/23,222.70 = 5,619.22/x
  3. Step 3: Cross multiply
    15,480.16x = 23,222.70 × 5,619.22
  4. Step 4: Simplify right side
    15,480.16x = 130,493,460.29
  5. Step 5: Solve for x
    x = 130,493,460.29/15,480.16
  6. Step 6: Final answer
    x = 8,429.72

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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.