Home / 14,645.80-21,966.45-4,785.13

Finding the Fourth Proportional to 14,645.80, 21,966.45 and 4,785.13

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Solution

The fourth proportional to 14,645.80, 21,966.45 and 4,785.13 is: 7,176.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,645.80 : 21,966.45 = 4,785.13 : x
  2. Step 2: Convert to fraction form
    14,645.80/21,966.45 = 4,785.13/x
  3. Step 3: Cross multiply
    14,645.80x = 21,966.45 × 4,785.13
  4. Step 4: Simplify right side
    14,645.80x = 105,112,318.89
  5. Step 5: Solve for x
    x = 105,112,318.89/14,645.80
  6. Step 6: Final answer
    x = 7,176.96

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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.