Home / 9,521.28-14,280.48-3,677.16

Finding the Fourth Proportional to 9,521.28, 14,280.48 and 3,677.16

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Solution

The fourth proportional to 9,521.28, 14,280.48 and 3,677.16 is: 5,515.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,521.28 : 14,280.48 = 3,677.16 : x
  2. Step 2: Convert to fraction form
    9,521.28/14,280.48 = 3,677.16/x
  3. Step 3: Cross multiply
    9,521.28x = 14,280.48 × 3,677.16
  4. Step 4: Simplify right side
    9,521.28x = 52,511,609.84
  5. Step 5: Solve for x
    x = 52,511,609.84/9,521.28
  6. Step 6: Final answer
    x = 5,515.18

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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.