Home / 15,107.76-22,682.70-7,718.22

Finding the Fourth Proportional to 15,107.76, 22,682.70 and 7,718.22

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Solution

The fourth proportional to 15,107.76, 22,682.70 and 7,718.22 is: 11,588.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,107.76 : 22,682.70 = 7,718.22 : x
  2. Step 2: Convert to fraction form
    15,107.76/22,682.70 = 7,718.22/x
  3. Step 3: Cross multiply
    15,107.76x = 22,682.70 × 7,718.22
  4. Step 4: Simplify right side
    15,107.76x = 175,070,068.79
  5. Step 5: Solve for x
    x = 175,070,068.79/15,107.76
  6. Step 6: Final answer
    x = 11,588.09

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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.