Home / 23,085.52-31,858.96-13,014.40

Finding the Fourth Proportional to 23,085.52, 31,858.96 and 13,014.40

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Solution

The fourth proportional to 23,085.52, 31,858.96 and 13,014.40 is: 17,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,085.52 : 31,858.96 = 13,014.40 : x
  2. Step 2: Convert to fraction form
    23,085.52/31,858.96 = 13,014.40/x
  3. Step 3: Cross multiply
    23,085.52x = 31,858.96 × 13,014.40
  4. Step 4: Simplify right side
    23,085.52x = 414,625,249.02
  5. Step 5: Solve for x
    x = 414,625,249.02/23,085.52
  6. Step 6: Final answer
    x = 17,960.40

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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.