Home / 10,508.12-14,500.80-5,792.40

Finding the Fourth Proportional to 10,508.12, 14,500.80 and 5,792.40

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Solution

The fourth proportional to 10,508.12, 14,500.80 and 5,792.40 is: 7,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,508.12 : 14,500.80 = 5,792.40 : x
  2. Step 2: Convert to fraction form
    10,508.12/14,500.80 = 5,792.40/x
  3. Step 3: Cross multiply
    10,508.12x = 14,500.80 × 5,792.40
  4. Step 4: Simplify right side
    10,508.12x = 83,994,433.92
  5. Step 5: Solve for x
    x = 83,994,433.92/10,508.12
  6. Step 6: Final answer
    x = 7,993.29

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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.