Home / 15,011.08-20,709.84-9,044.62

Finding the Fourth Proportional to 15,011.08, 20,709.84 and 9,044.62

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Solution

The fourth proportional to 15,011.08, 20,709.84 and 9,044.62 is: 12,478.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.08 : 20,709.84 = 9,044.62 : x
  2. Step 2: Convert to fraction form
    15,011.08/20,709.84 = 9,044.62/x
  3. Step 3: Cross multiply
    15,011.08x = 20,709.84 × 9,044.62
  4. Step 4: Simplify right side
    15,011.08x = 187,312,633.06
  5. Step 5: Solve for x
    x = 187,312,633.06/15,011.08
  6. Step 6: Final answer
    x = 12,478.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.