Home / 12,457.32-18,689.01-3,572.82

Finding the Fourth Proportional to 12,457.32, 18,689.01 and 3,572.82

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Solution

The fourth proportional to 12,457.32, 18,689.01 and 3,572.82 is: 5,360.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457.32 : 18,689.01 = 3,572.82 : x
  2. Step 2: Convert to fraction form
    12,457.32/18,689.01 = 3,572.82/x
  3. Step 3: Cross multiply
    12,457.32x = 18,689.01 × 3,572.82
  4. Step 4: Simplify right side
    12,457.32x = 66,772,468.71
  5. Step 5: Solve for x
    x = 66,772,468.71/12,457.32
  6. Step 6: Final answer
    x = 5,360.10

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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.