Home / 13,303.29-19,955.36-4,981.72

Finding the Fourth Proportional to 13,303.29, 19,955.36 and 4,981.72

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Solution

The fourth proportional to 13,303.29, 19,955.36 and 4,981.72 is: 7,472.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,303.29 : 19,955.36 = 4,981.72 : x
  2. Step 2: Convert to fraction form
    13,303.29/19,955.36 = 4,981.72/x
  3. Step 3: Cross multiply
    13,303.29x = 19,955.36 × 4,981.72
  4. Step 4: Simplify right side
    13,303.29x = 99,412,016.02
  5. Step 5: Solve for x
    x = 99,412,016.02/13,303.29
  6. Step 6: Final answer
    x = 7,472.74

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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.