Home / 15,646.09-23,438.89-8,699.53

Finding the Fourth Proportional to 15,646.09, 23,438.89 and 8,699.53

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Solution

The fourth proportional to 15,646.09, 23,438.89 and 8,699.53 is: 13,032.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,646.09 : 23,438.89 = 8,699.53 : x
  2. Step 2: Convert to fraction form
    15,646.09/23,438.89 = 8,699.53/x
  3. Step 3: Cross multiply
    15,646.09x = 23,438.89 × 8,699.53
  4. Step 4: Simplify right side
    15,646.09x = 203,907,246.38
  5. Step 5: Solve for x
    x = 203,907,246.38/15,646.09
  6. Step 6: Final answer
    x = 13,032.48

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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.