Home / 15,120.21-22,681.59-4,026.90

Finding the Fourth Proportional to 15,120.21, 22,681.59 and 4,026.90

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Solution

The fourth proportional to 15,120.21, 22,681.59 and 4,026.90 is: 6,040.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,120.21 : 22,681.59 = 4,026.90 : x
  2. Step 2: Convert to fraction form
    15,120.21/22,681.59 = 4,026.90/x
  3. Step 3: Cross multiply
    15,120.21x = 22,681.59 × 4,026.90
  4. Step 4: Simplify right side
    15,120.21x = 91,336,494.77
  5. Step 5: Solve for x
    x = 91,336,494.77/15,120.21
  6. Step 6: Final answer
    x = 6,040.69

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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.