Home / 9,457.45-13,056.87-8,406.48

Finding the Fourth Proportional to 9,457.45, 13,056.87 and 8,406.48

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Solution

The fourth proportional to 9,457.45, 13,056.87 and 8,406.48 is: 11,605.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,457.45 : 13,056.87 = 8,406.48 : x
  2. Step 2: Convert to fraction form
    9,457.45/13,056.87 = 8,406.48/x
  3. Step 3: Cross multiply
    9,457.45x = 13,056.87 × 8,406.48
  4. Step 4: Simplify right side
    9,457.45x = 109,762,316.52
  5. Step 5: Solve for x
    x = 109,762,316.52/9,457.45
  6. Step 6: Final answer
    x = 11,605.91

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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.