Home / 19,417.77-29,102.22-8,311.32

Finding the Fourth Proportional to 19,417.77, 29,102.22 and 8,311.32

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Solution

The fourth proportional to 19,417.77, 29,102.22 and 8,311.32 is: 12,456.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,417.77 : 29,102.22 = 8,311.32 : x
  2. Step 2: Convert to fraction form
    19,417.77/29,102.22 = 8,311.32/x
  3. Step 3: Cross multiply
    19,417.77x = 29,102.22 × 8,311.32
  4. Step 4: Simplify right side
    19,417.77x = 241,877,863.13
  5. Step 5: Solve for x
    x = 241,877,863.13/19,417.77
  6. Step 6: Final answer
    x = 12,456.52

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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.