Home / 12,887.40-19,337.30-6,310

Finding the Fourth Proportional to 12,887.40, 19,337.30 and 6,310

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Solution

The fourth proportional to 12,887.40, 19,337.30 and 6,310 is: 9,468.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,887.40 : 19,337.30 = 6,310 : x
  2. Step 2: Convert to fraction form
    12,887.40/19,337.30 = 6,310/x
  3. Step 3: Cross multiply
    12,887.40x = 19,337.30 × 6,310
  4. Step 4: Simplify right side
    12,887.40x = 122,018,363
  5. Step 5: Solve for x
    x = 122,018,363/12,887.40
  6. Step 6: Final answer
    x = 9,468.04

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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.