Home / 9,118.24-13,703.01-5,421.13

Finding the Fourth Proportional to 9,118.24, 13,703.01 and 5,421.13

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Solution

The fourth proportional to 9,118.24, 13,703.01 and 5,421.13 is: 8,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,118.24 : 13,703.01 = 5,421.13 : x
  2. Step 2: Convert to fraction form
    9,118.24/13,703.01 = 5,421.13/x
  3. Step 3: Cross multiply
    9,118.24x = 13,703.01 × 5,421.13
  4. Step 4: Simplify right side
    9,118.24x = 74,285,798.60
  5. Step 5: Solve for x
    x = 74,285,798.60/9,118.24
  6. Step 6: Final answer
    x = 8,146.94

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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.