Home / 14,649.32-20,217.50-8,362.64

Finding the Fourth Proportional to 14,649.32, 20,217.50 and 8,362.64

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Solution

The fourth proportional to 14,649.32, 20,217.50 and 8,362.64 is: 11,541.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.32 : 20,217.50 = 8,362.64 : x
  2. Step 2: Convert to fraction form
    14,649.32/20,217.50 = 8,362.64/x
  3. Step 3: Cross multiply
    14,649.32x = 20,217.50 × 8,362.64
  4. Step 4: Simplify right side
    14,649.32x = 169,071,674.20
  5. Step 5: Solve for x
    x = 169,071,674.20/14,649.32
  6. Step 6: Final answer
    x = 11,541.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.