Home / 11,312.73-15,613.36-10,814.38

Finding the Fourth Proportional to 11,312.73, 15,613.36 and 10,814.38

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Solution

The fourth proportional to 11,312.73, 15,613.36 and 10,814.38 is: 14,925.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,312.73 : 15,613.36 = 10,814.38 : x
  2. Step 2: Convert to fraction form
    11,312.73/15,613.36 = 10,814.38/x
  3. Step 3: Cross multiply
    11,312.73x = 15,613.36 × 10,814.38
  4. Step 4: Simplify right side
    11,312.73x = 168,848,742.05
  5. Step 5: Solve for x
    x = 168,848,742.05/11,312.73
  6. Step 6: Final answer
    x = 14,925.55

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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.