Home / 31,127.11-46,691.07-9,779.12

Finding the Fourth Proportional to 31,127.11, 46,691.07 and 9,779.12

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Solution

The fourth proportional to 31,127.11, 46,691.07 and 9,779.12 is: 14,668.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,127.11 : 46,691.07 = 9,779.12 : x
  2. Step 2: Convert to fraction form
    31,127.11/46,691.07 = 9,779.12/x
  3. Step 3: Cross multiply
    31,127.11x = 46,691.07 × 9,779.12
  4. Step 4: Simplify right side
    31,127.11x = 456,597,693.19
  5. Step 5: Solve for x
    x = 456,597,693.19/31,127.11
  6. Step 6: Final answer
    x = 14,668.81

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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.