Home / 11,710.17-16,156.10-6,670.83

Finding the Fourth Proportional to 11,710.17, 16,156.10 and 6,670.83

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Solution

The fourth proportional to 11,710.17, 16,156.10 and 6,670.83 is: 9,203.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,710.17 : 16,156.10 = 6,670.83 : x
  2. Step 2: Convert to fraction form
    11,710.17/16,156.10 = 6,670.83/x
  3. Step 3: Cross multiply
    11,710.17x = 16,156.10 × 6,670.83
  4. Step 4: Simplify right side
    11,710.17x = 107,774,552.65
  5. Step 5: Solve for x
    x = 107,774,552.65/11,710.17
  6. Step 6: Final answer
    x = 9,203.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.