Home / 14,248.20-19,620.54-9,767.28

Finding the Fourth Proportional to 14,248.20, 19,620.54 and 9,767.28

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Solution

The fourth proportional to 14,248.20, 19,620.54 and 9,767.28 is: 13,450.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,248.20 : 19,620.54 = 9,767.28 : x
  2. Step 2: Convert to fraction form
    14,248.20/19,620.54 = 9,767.28/x
  3. Step 3: Cross multiply
    14,248.20x = 19,620.54 × 9,767.28
  4. Step 4: Simplify right side
    14,248.20x = 191,639,307.93
  5. Step 5: Solve for x
    x = 191,639,307.93/14,248.20
  6. Step 6: Final answer
    x = 13,450.07

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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.