Home / 9,988.56-14,980.98-3,325.16

Finding the Fourth Proportional to 9,988.56, 14,980.98 and 3,325.16

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Solution

The fourth proportional to 9,988.56, 14,980.98 and 3,325.16 is: 4,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.56 : 14,980.98 = 3,325.16 : x
  2. Step 2: Convert to fraction form
    9,988.56/14,980.98 = 3,325.16/x
  3. Step 3: Cross multiply
    9,988.56x = 14,980.98 × 3,325.16
  4. Step 4: Simplify right side
    9,988.56x = 49,814,155.46
  5. Step 5: Solve for x
    x = 49,814,155.46/9,988.56
  6. Step 6: Final answer
    x = 4,987.12

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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.