Home / 9,988.66-14,985.43-3,325.14

Finding the Fourth Proportional to 9,988.66, 14,985.43 and 3,325.14

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Solution

The fourth proportional to 9,988.66, 14,985.43 and 3,325.14 is: 4,988.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.66 : 14,985.43 = 3,325.14 : x
  2. Step 2: Convert to fraction form
    9,988.66/14,985.43 = 3,325.14/x
  3. Step 3: Cross multiply
    9,988.66x = 14,985.43 × 3,325.14
  4. Step 4: Simplify right side
    9,988.66x = 49,828,686.54
  5. Step 5: Solve for x
    x = 49,828,686.54/9,988.66
  6. Step 6: Final answer
    x = 4,988.53

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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.