Home / 12,977.48-19,457.00-6,215.32

Finding the Fourth Proportional to 12,977.48, 19,457.00 and 6,215.32

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Solution

The fourth proportional to 12,977.48, 19,457.00 and 6,215.32 is: 9,318.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.48 : 19,457.00 = 6,215.32 : x
  2. Step 2: Convert to fraction form
    12,977.48/19,457.00 = 6,215.32/x
  3. Step 3: Cross multiply
    12,977.48x = 19,457.00 × 6,215.32
  4. Step 4: Simplify right side
    12,977.48x = 120,931,543.77
  5. Step 5: Solve for x
    x = 120,931,543.77/12,977.48
  6. Step 6: Final answer
    x = 9,318.57

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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.