Home / 13,010.58-17,956.26-8,538.12

Finding the Fourth Proportional to 13,010.58, 17,956.26 and 8,538.12

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Solution

The fourth proportional to 13,010.58, 17,956.26 and 8,538.12 is: 11,783.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,010.58 : 17,956.26 = 8,538.12 : x
  2. Step 2: Convert to fraction form
    13,010.58/17,956.26 = 8,538.12/x
  3. Step 3: Cross multiply
    13,010.58x = 17,956.26 × 8,538.12
  4. Step 4: Simplify right side
    13,010.58x = 153,312,702.63
  5. Step 5: Solve for x
    x = 153,312,702.63/13,010.58
  6. Step 6: Final answer
    x = 11,783.69

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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.