Home / 9,988.23-14,989.03-4,144.84

Finding the Fourth Proportional to 9,988.23, 14,989.03 and 4,144.84

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Solution

The fourth proportional to 9,988.23, 14,989.03 and 4,144.84 is: 6,220.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.23 : 14,989.03 = 4,144.84 : x
  2. Step 2: Convert to fraction form
    9,988.23/14,989.03 = 4,144.84/x
  3. Step 3: Cross multiply
    9,988.23x = 14,989.03 × 4,144.84
  4. Step 4: Simplify right side
    9,988.23x = 62,127,131.11
  5. Step 5: Solve for x
    x = 62,127,131.11/9,988.23
  6. Step 6: Final answer
    x = 6,220.03

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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.