Home / 10,730.35-16,077.91-10,320.29

Finding the Fourth Proportional to 10,730.35, 16,077.91 and 10,320.29

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Solution

The fourth proportional to 10,730.35, 16,077.91 and 10,320.29 is: 15,463.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,730.35 : 16,077.91 = 10,320.29 : x
  2. Step 2: Convert to fraction form
    10,730.35/16,077.91 = 10,320.29/x
  3. Step 3: Cross multiply
    10,730.35x = 16,077.91 × 10,320.29
  4. Step 4: Simplify right side
    10,730.35x = 165,928,578.49
  5. Step 5: Solve for x
    x = 165,928,578.49/10,730.35
  6. Step 6: Final answer
    x = 15,463.48

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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.