Home / 19,482.52-29,185.32-12,888.76

Finding the Fourth Proportional to 19,482.52, 29,185.32 and 12,888.76

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Solution

The fourth proportional to 19,482.52, 29,185.32 and 12,888.76 is: 19,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,482.52 : 29,185.32 = 12,888.76 : x
  2. Step 2: Convert to fraction form
    19,482.52/29,185.32 = 12,888.76/x
  3. Step 3: Cross multiply
    19,482.52x = 29,185.32 × 12,888.76
  4. Step 4: Simplify right side
    19,482.52x = 376,162,585.00
  5. Step 5: Solve for x
    x = 376,162,585.00/19,482.52
  6. Step 6: Final answer
    x = 19,307.70

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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.