Home / 9,987.84-14,983.32-4,443.12

Finding the Fourth Proportional to 9,987.84, 14,983.32 and 4,443.12

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Solution

The fourth proportional to 9,987.84, 14,983.32 and 4,443.12 is: 6,665.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.84 : 14,983.32 = 4,443.12 : x
  2. Step 2: Convert to fraction form
    9,987.84/14,983.32 = 4,443.12/x
  3. Step 3: Cross multiply
    9,987.84x = 14,983.32 × 4,443.12
  4. Step 4: Simplify right side
    9,987.84x = 66,572,688.76
  5. Step 5: Solve for x
    x = 66,572,688.76/9,987.84
  6. Step 6: Final answer
    x = 6,665.37

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Similar ratio
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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.