Home / 11,925.80-16,457.01-6,548.10

Finding the Fourth Proportional to 11,925.80, 16,457.01 and 6,548.10

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Solution

The fourth proportional to 11,925.80, 16,457.01 and 6,548.10 is: 9,036.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,925.80 : 16,457.01 = 6,548.10 : x
  2. Step 2: Convert to fraction form
    11,925.80/16,457.01 = 6,548.10/x
  3. Step 3: Cross multiply
    11,925.80x = 16,457.01 × 6,548.10
  4. Step 4: Simplify right side
    11,925.80x = 107,762,147.18
  5. Step 5: Solve for x
    x = 107,762,147.18/11,925.80
  6. Step 6: Final answer
    x = 9,036.05

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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.