Home / 9,148.11-13,712.29-4,457.77

Finding the Fourth Proportional to 9,148.11, 13,712.29 and 4,457.77

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Solution

The fourth proportional to 9,148.11, 13,712.29 and 4,457.77 is: 6,681.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.11 : 13,712.29 = 4,457.77 : x
  2. Step 2: Convert to fraction form
    9,148.11/13,712.29 = 4,457.77/x
  3. Step 3: Cross multiply
    9,148.11x = 13,712.29 × 4,457.77
  4. Step 4: Simplify right side
    9,148.11x = 61,126,189.57
  5. Step 5: Solve for x
    x = 61,126,189.57/9,148.11
  6. Step 6: Final answer
    x = 6,681.84

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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.