Home / 15,238.56-21,023.40-9,267.96

Finding the Fourth Proportional to 15,238.56, 21,023.40 and 9,267.96

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Solution

The fourth proportional to 15,238.56, 21,023.40 and 9,267.96 is: 12,786.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,238.56 : 21,023.40 = 9,267.96 : x
  2. Step 2: Convert to fraction form
    15,238.56/21,023.40 = 9,267.96/x
  3. Step 3: Cross multiply
    15,238.56x = 21,023.40 × 9,267.96
  4. Step 4: Simplify right side
    15,238.56x = 194,844,030.26
  5. Step 5: Solve for x
    x = 194,844,030.26/15,238.56
  6. Step 6: Final answer
    x = 12,786.25

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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.