Home / 12,574.80-18,861.59-4,677.30

Finding the Fourth Proportional to 12,574.80, 18,861.59 and 4,677.30

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Solution

The fourth proportional to 12,574.80, 18,861.59 and 4,677.30 is: 7,015.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,574.80 : 18,861.59 = 4,677.30 : x
  2. Step 2: Convert to fraction form
    12,574.80/18,861.59 = 4,677.30/x
  3. Step 3: Cross multiply
    12,574.80x = 18,861.59 × 4,677.30
  4. Step 4: Simplify right side
    12,574.80x = 88,221,326.60
  5. Step 5: Solve for x
    x = 88,221,326.60/12,574.80
  6. Step 6: Final answer
    x = 7,015.72

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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.