Home / 9,928.90-13,700.87-5,949.91

Finding the Fourth Proportional to 9,928.90, 13,700.87 and 5,949.91

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Solution

The fourth proportional to 9,928.90, 13,700.87 and 5,949.91 is: 8,210.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,928.90 : 13,700.87 = 5,949.91 : x
  2. Step 2: Convert to fraction form
    9,928.90/13,700.87 = 5,949.91/x
  3. Step 3: Cross multiply
    9,928.90x = 13,700.87 × 5,949.91
  4. Step 4: Simplify right side
    9,928.90x = 81,518,943.42
  5. Step 5: Solve for x
    x = 81,518,943.42/9,928.90
  6. Step 6: Final answer
    x = 8,210.27

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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.