Home / 12,307.44-18,463.32-5,291.76

Finding the Fourth Proportional to 12,307.44, 18,463.32 and 5,291.76

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Solution

The fourth proportional to 12,307.44, 18,463.32 and 5,291.76 is: 7,938.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,307.44 : 18,463.32 = 5,291.76 : x
  2. Step 2: Convert to fraction form
    12,307.44/18,463.32 = 5,291.76/x
  3. Step 3: Cross multiply
    12,307.44x = 18,463.32 × 5,291.76
  4. Step 4: Simplify right side
    12,307.44x = 97,703,458.24
  5. Step 5: Solve for x
    x = 97,703,458.24/12,307.44
  6. Step 6: Final answer
    x = 7,938.57

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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.