Home / 9,904.16-13,666.97-5,427.18

Finding the Fourth Proportional to 9,904.16, 13,666.97 and 5,427.18

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Solution

The fourth proportional to 9,904.16, 13,666.97 and 5,427.18 is: 7,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,904.16 : 13,666.97 = 5,427.18 : x
  2. Step 2: Convert to fraction form
    9,904.16/13,666.97 = 5,427.18/x
  3. Step 3: Cross multiply
    9,904.16x = 13,666.97 × 5,427.18
  4. Step 4: Simplify right side
    9,904.16x = 74,173,079.11
  5. Step 5: Solve for x
    x = 74,173,079.11/9,904.16
  6. Step 6: Final answer
    x = 7,489.09

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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.