Home / 10,856.40-16,306.44-10,550.16

Finding the Fourth Proportional to 10,856.40, 16,306.44 and 10,550.16

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Solution

The fourth proportional to 10,856.40, 16,306.44 and 10,550.16 is: 15,846.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,856.40 : 16,306.44 = 10,550.16 : x
  2. Step 2: Convert to fraction form
    10,856.40/16,306.44 = 10,550.16/x
  3. Step 3: Cross multiply
    10,856.40x = 16,306.44 × 10,550.16
  4. Step 4: Simplify right side
    10,856.40x = 172,035,551.03
  5. Step 5: Solve for x
    x = 172,035,551.03/10,856.40
  6. Step 6: Final answer
    x = 15,846.46

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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.