Home / 20,710.17-31,060.89-6,671.45

Finding the Fourth Proportional to 20,710.17, 31,060.89 and 6,671.45

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Solution

The fourth proportional to 20,710.17, 31,060.89 and 6,671.45 is: 10,005.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,710.17 : 31,060.89 = 6,671.45 : x
  2. Step 2: Convert to fraction form
    20,710.17/31,060.89 = 6,671.45/x
  3. Step 3: Cross multiply
    20,710.17x = 31,060.89 × 6,671.45
  4. Step 4: Simplify right side
    20,710.17x = 207,221,252.24
  5. Step 5: Solve for x
    x = 207,221,252.24/20,710.17
  6. Step 6: Final answer
    x = 10,005.77

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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.