Home / 18,830.84-28,228.97-6,510.20

Finding the Fourth Proportional to 18,830.84, 28,228.97 and 6,510.20

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Solution

The fourth proportional to 18,830.84, 28,228.97 and 6,510.20 is: 9,759.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,830.84 : 28,228.97 = 6,510.20 : x
  2. Step 2: Convert to fraction form
    18,830.84/28,228.97 = 6,510.20/x
  3. Step 3: Cross multiply
    18,830.84x = 28,228.97 × 6,510.20
  4. Step 4: Simplify right side
    18,830.84x = 183,776,066.80
  5. Step 5: Solve for x
    x = 183,776,066.80/18,830.84
  6. Step 6: Final answer
    x = 9,759.32

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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.