Home / 18,750.23-25,848.64-12,774.25

Finding the Fourth Proportional to 18,750.23, 25,848.64 and 12,774.25

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Solution

The fourth proportional to 18,750.23, 25,848.64 and 12,774.25 is: 17,610.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,750.23 : 25,848.64 = 12,774.25 : x
  2. Step 2: Convert to fraction form
    18,750.23/25,848.64 = 12,774.25/x
  3. Step 3: Cross multiply
    18,750.23x = 25,848.64 × 12,774.25
  4. Step 4: Simplify right side
    18,750.23x = 330,196,989.52
  5. Step 5: Solve for x
    x = 330,196,989.52/18,750.23
  6. Step 6: Final answer
    x = 17,610.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.