Home / 9,962.10-14,955.30-9,889.20

Finding the Fourth Proportional to 9,962.10, 14,955.30 and 9,889.20

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Solution

The fourth proportional to 9,962.10, 14,955.30 and 9,889.20 is: 14,845.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,962.10 : 14,955.30 = 9,889.20 : x
  2. Step 2: Convert to fraction form
    9,962.10/14,955.30 = 9,889.20/x
  3. Step 3: Cross multiply
    9,962.10x = 14,955.30 × 9,889.20
  4. Step 4: Simplify right side
    9,962.10x = 147,895,952.76
  5. Step 5: Solve for x
    x = 147,895,952.76/9,962.10
  6. Step 6: Final answer
    x = 14,845.86

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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.