Home / 9,988.75-14,985.56-3,325.23

Finding the Fourth Proportional to 9,988.75, 14,985.56 and 3,325.23

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Solution

The fourth proportional to 9,988.75, 14,985.56 and 3,325.23 is: 4,988.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.75 : 14,985.56 = 3,325.23 : x
  2. Step 2: Convert to fraction form
    9,988.75/14,985.56 = 3,325.23/x
  3. Step 3: Cross multiply
    9,988.75x = 14,985.56 × 3,325.23
  4. Step 4: Simplify right side
    9,988.75x = 49,830,485.72
  5. Step 5: Solve for x
    x = 49,830,485.72/9,988.75
  6. Step 6: Final answer
    x = 4,988.66

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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.