Home / 13,266.65-18,308.12-7,298.37

Finding the Fourth Proportional to 13,266.65, 18,308.12 and 7,298.37

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Solution

The fourth proportional to 13,266.65, 18,308.12 and 7,298.37 is: 10,071.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,266.65 : 18,308.12 = 7,298.37 : x
  2. Step 2: Convert to fraction form
    13,266.65/18,308.12 = 7,298.37/x
  3. Step 3: Cross multiply
    13,266.65x = 18,308.12 × 7,298.37
  4. Step 4: Simplify right side
    13,266.65x = 133,619,397.27
  5. Step 5: Solve for x
    x = 133,619,397.27/13,266.65
  6. Step 6: Final answer
    x = 10,071.83

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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.