Home / 14,482.56-21,710.88-10,780.32

Finding the Fourth Proportional to 14,482.56, 21,710.88 and 10,780.32

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Solution

The fourth proportional to 14,482.56, 21,710.88 and 10,780.32 is: 16,160.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,482.56 : 21,710.88 = 10,780.32 : x
  2. Step 2: Convert to fraction form
    14,482.56/21,710.88 = 10,780.32/x
  3. Step 3: Cross multiply
    14,482.56x = 21,710.88 × 10,780.32
  4. Step 4: Simplify right side
    14,482.56x = 234,050,233.88
  5. Step 5: Solve for x
    x = 234,050,233.88/14,482.56
  6. Step 6: Final answer
    x = 16,160.83

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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.