Home / 9,622.72-14,467.02-8,901.28

Finding the Fourth Proportional to 9,622.72, 14,467.02 and 8,901.28

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Solution

The fourth proportional to 9,622.72, 14,467.02 and 8,901.28 is: 13,382.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,622.72 : 14,467.02 = 8,901.28 : x
  2. Step 2: Convert to fraction form
    9,622.72/14,467.02 = 8,901.28/x
  3. Step 3: Cross multiply
    9,622.72x = 14,467.02 × 8,901.28
  4. Step 4: Simplify right side
    9,622.72x = 128,774,995.79
  5. Step 5: Solve for x
    x = 128,774,995.79/9,622.72
  6. Step 6: Final answer
    x = 13,382.39

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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.