Home / 12,587.32-18,893.34-7,044.76

Finding the Fourth Proportional to 12,587.32, 18,893.34 and 7,044.76

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Solution

The fourth proportional to 12,587.32, 18,893.34 and 7,044.76 is: 10,574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,587.32 : 18,893.34 = 7,044.76 : x
  2. Step 2: Convert to fraction form
    12,587.32/18,893.34 = 7,044.76/x
  3. Step 3: Cross multiply
    12,587.32x = 18,893.34 × 7,044.76
  4. Step 4: Simplify right side
    12,587.32x = 133,099,045.90
  5. Step 5: Solve for x
    x = 133,099,045.90/12,587.32
  6. Step 6: Final answer
    x = 10,574.06

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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.