Home / 15,460.08-23,160.96-11,980.32

Finding the Fourth Proportional to 15,460.08, 23,160.96 and 11,980.32

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Solution

The fourth proportional to 15,460.08, 23,160.96 and 11,980.32 is: 17,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,460.08 : 23,160.96 = 11,980.32 : x
  2. Step 2: Convert to fraction form
    15,460.08/23,160.96 = 11,980.32/x
  3. Step 3: Cross multiply
    15,460.08x = 23,160.96 × 11,980.32
  4. Step 4: Simplify right side
    15,460.08x = 277,475,712.31
  5. Step 5: Solve for x
    x = 277,475,712.31/15,460.08
  6. Step 6: Final answer
    x = 17,947.88

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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.