Home / 13,303.12-19,955.76-7,462.48

Finding the Fourth Proportional to 13,303.12, 19,955.76 and 7,462.48

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Solution

The fourth proportional to 13,303.12, 19,955.76 and 7,462.48 is: 11,194.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.12 : 19,955.76 = 7,462.48 : x
  2. Step 2: Convert to fraction form
    13,303.12/19,955.76 = 7,462.48/x
  3. Step 3: Cross multiply
    13,303.12x = 19,955.76 × 7,462.48
  4. Step 4: Simplify right side
    13,303.12x = 148,919,459.88
  5. Step 5: Solve for x
    x = 148,919,459.88/13,303.12
  6. Step 6: Final answer
    x = 11,194.33

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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.