Home / 9,962.16-14,939.80-4,419.40

Finding the Fourth Proportional to 9,962.16, 14,939.80 and 4,419.40

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Solution

The fourth proportional to 9,962.16, 14,939.80 and 4,419.40 is: 6,627.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.16 : 14,939.80 = 4,419.40 : x
  2. Step 2: Convert to fraction form
    9,962.16/14,939.80 = 4,419.40/x
  3. Step 3: Cross multiply
    9,962.16x = 14,939.80 × 4,419.40
  4. Step 4: Simplify right side
    9,962.16x = 66,024,952.12
  5. Step 5: Solve for x
    x = 66,024,952.12/9,962.16
  6. Step 6: Final answer
    x = 6,627.57

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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.