Home / 15,388.32-23,125.77-9,149.46

Finding the Fourth Proportional to 15,388.32, 23,125.77 and 9,149.46

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Solution

The fourth proportional to 15,388.32, 23,125.77 and 9,149.46 is: 13,749.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,388.32 : 23,125.77 = 9,149.46 : x
  2. Step 2: Convert to fraction form
    15,388.32/23,125.77 = 9,149.46/x
  3. Step 3: Cross multiply
    15,388.32x = 23,125.77 × 9,149.46
  4. Step 4: Simplify right side
    15,388.32x = 211,588,307.58
  5. Step 5: Solve for x
    x = 211,588,307.58/15,388.32
  6. Step 6: Final answer
    x = 13,749.93

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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.