Home / 10,900.23-15,045.19-6,426.96

Finding the Fourth Proportional to 10,900.23, 15,045.19 and 6,426.96

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Solution

The fourth proportional to 10,900.23, 15,045.19 and 6,426.96 is: 8,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,900.23 : 15,045.19 = 6,426.96 : x
  2. Step 2: Convert to fraction form
    10,900.23/15,045.19 = 6,426.96/x
  3. Step 3: Cross multiply
    10,900.23x = 15,045.19 × 6,426.96
  4. Step 4: Simplify right side
    10,900.23x = 96,694,866.75
  5. Step 5: Solve for x
    x = 96,694,866.75/10,900.23
  6. Step 6: Final answer
    x = 8,870.90

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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.