Home / 13,012.65-19,528.70-8,842.77

Finding the Fourth Proportional to 13,012.65, 19,528.70 and 8,842.77

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Solution

The fourth proportional to 13,012.65, 19,528.70 and 8,842.77 is: 13,270.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.65 : 19,528.70 = 8,842.77 : x
  2. Step 2: Convert to fraction form
    13,012.65/19,528.70 = 8,842.77/x
  3. Step 3: Cross multiply
    13,012.65x = 19,528.70 × 8,842.77
  4. Step 4: Simplify right side
    13,012.65x = 172,687,758.29
  5. Step 5: Solve for x
    x = 172,687,758.29/13,012.65
  6. Step 6: Final answer
    x = 13,270.76

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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.