Home / 15,090.12-22,626.90-5,228.52

Finding the Fourth Proportional to 15,090.12, 22,626.90 and 5,228.52

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Solution

The fourth proportional to 15,090.12, 22,626.90 and 5,228.52 is: 7,839.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.12 : 22,626.90 = 5,228.52 : x
  2. Step 2: Convert to fraction form
    15,090.12/22,626.90 = 5,228.52/x
  3. Step 3: Cross multiply
    15,090.12x = 22,626.90 × 5,228.52
  4. Step 4: Simplify right side
    15,090.12x = 118,305,199.19
  5. Step 5: Solve for x
    x = 118,305,199.19/15,090.12
  6. Step 6: Final answer
    x = 7,839.91

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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.