Home / 14,483.12-19,966.92-9,945.68

Finding the Fourth Proportional to 14,483.12, 19,966.92 and 9,945.68

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Solution

The fourth proportional to 14,483.12, 19,966.92 and 9,945.68 is: 13,711.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,483.12 : 19,966.92 = 9,945.68 : x
  2. Step 2: Convert to fraction form
    14,483.12/19,966.92 = 9,945.68/x
  3. Step 3: Cross multiply
    14,483.12x = 19,966.92 × 9,945.68
  4. Step 4: Simplify right side
    14,483.12x = 198,584,596.91
  5. Step 5: Solve for x
    x = 198,584,596.91/14,483.12
  6. Step 6: Final answer
    x = 13,711.45

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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.