Home / 12,370.40-17,051.76-9,374.24

Finding the Fourth Proportional to 12,370.40, 17,051.76 and 9,374.24

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Solution

The fourth proportional to 12,370.40, 17,051.76 and 9,374.24 is: 12,921.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,370.40 : 17,051.76 = 9,374.24 : x
  2. Step 2: Convert to fraction form
    12,370.40/17,051.76 = 9,374.24/x
  3. Step 3: Cross multiply
    12,370.40x = 17,051.76 × 9,374.24
  4. Step 4: Simplify right side
    12,370.40x = 159,847,290.66
  5. Step 5: Solve for x
    x = 159,847,290.66/12,370.40
  6. Step 6: Final answer
    x = 12,921.76

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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.