Home / 12,674.80-19,000.59-4,877.74

Finding the Fourth Proportional to 12,674.80, 19,000.59 and 4,877.74

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Solution

The fourth proportional to 12,674.80, 19,000.59 and 4,877.74 is: 7,312.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,674.80 : 19,000.59 = 4,877.74 : x
  2. Step 2: Convert to fraction form
    12,674.80/19,000.59 = 4,877.74/x
  3. Step 3: Cross multiply
    12,674.80x = 19,000.59 × 4,877.74
  4. Step 4: Simplify right side
    12,674.80x = 92,679,937.87
  5. Step 5: Solve for x
    x = 92,679,937.87/12,674.80
  6. Step 6: Final answer
    x = 7,312.14

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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.