Home / 10,670.13-16,009.34-4,428.58

Finding the Fourth Proportional to 10,670.13, 16,009.34 and 4,428.58

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Solution

The fourth proportional to 10,670.13, 16,009.34 and 4,428.58 is: 6,644.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,670.13 : 16,009.34 = 4,428.58 : x
  2. Step 2: Convert to fraction form
    10,670.13/16,009.34 = 4,428.58/x
  3. Step 3: Cross multiply
    10,670.13x = 16,009.34 × 4,428.58
  4. Step 4: Simplify right side
    10,670.13x = 70,898,642.94
  5. Step 5: Solve for x
    x = 70,898,642.94/10,670.13
  6. Step 6: Final answer
    x = 6,644.59

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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.