Home / 15,386.21-23,122.61-9,147.33

Finding the Fourth Proportional to 15,386.21, 23,122.61 and 9,147.33

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Solution

The fourth proportional to 15,386.21, 23,122.61 and 9,147.33 is: 13,746.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,386.21 : 23,122.61 = 9,147.33 : x
  2. Step 2: Convert to fraction form
    15,386.21/23,122.61 = 9,147.33/x
  3. Step 3: Cross multiply
    15,386.21x = 23,122.61 × 9,147.33
  4. Step 4: Simplify right side
    15,386.21x = 211,510,098.39
  5. Step 5: Solve for x
    x = 211,510,098.39/15,386.21
  6. Step 6: Final answer
    x = 13,746.74

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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.