Home / 21,095.04-31,651.29-9,242.69

Finding the Fourth Proportional to 21,095.04, 31,651.29 and 9,242.69

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Solution

The fourth proportional to 21,095.04, 31,651.29 and 9,242.69 is: 13,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,095.04 : 31,651.29 = 9,242.69 : x
  2. Step 2: Convert to fraction form
    21,095.04/31,651.29 = 9,242.69/x
  3. Step 3: Cross multiply
    21,095.04x = 31,651.29 × 9,242.69
  4. Step 4: Simplify right side
    21,095.04x = 292,543,061.57
  5. Step 5: Solve for x
    x = 292,543,061.57/21,095.04
  6. Step 6: Final answer
    x = 13,867.86

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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.