Home / 12,935.67-17,851.29-7,558.42

Finding the Fourth Proportional to 12,935.67, 17,851.29 and 7,558.42

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Solution

The fourth proportional to 12,935.67, 17,851.29 and 7,558.42 is: 10,430.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,935.67 : 17,851.29 = 7,558.42 : x
  2. Step 2: Convert to fraction form
    12,935.67/17,851.29 = 7,558.42/x
  3. Step 3: Cross multiply
    12,935.67x = 17,851.29 × 7,558.42
  4. Step 4: Simplify right side
    12,935.67x = 134,927,458.11
  5. Step 5: Solve for x
    x = 134,927,458.11/12,935.67
  6. Step 6: Final answer
    x = 10,430.65

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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.