Home / 12,140.32-16,752.60-6,834.16

Finding the Fourth Proportional to 12,140.32, 16,752.60 and 6,834.16

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Solution

The fourth proportional to 12,140.32, 16,752.60 and 6,834.16 is: 9,430.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,140.32 : 16,752.60 = 6,834.16 : x
  2. Step 2: Convert to fraction form
    12,140.32/16,752.60 = 6,834.16/x
  3. Step 3: Cross multiply
    12,140.32x = 16,752.60 × 6,834.16
  4. Step 4: Simplify right side
    12,140.32x = 114,489,948.82
  5. Step 5: Solve for x
    x = 114,489,948.82/12,140.32
  6. Step 6: Final answer
    x = 9,430.55

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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.