Home / 15,426.68-23,121.47-7,095.21

Finding the Fourth Proportional to 15,426.68, 23,121.47 and 7,095.21

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Solution

The fourth proportional to 15,426.68, 23,121.47 and 7,095.21 is: 10,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,426.68 : 23,121.47 = 7,095.21 : x
  2. Step 2: Convert to fraction form
    15,426.68/23,121.47 = 7,095.21/x
  3. Step 3: Cross multiply
    15,426.68x = 23,121.47 × 7,095.21
  4. Step 4: Simplify right side
    15,426.68x = 164,051,649.68
  5. Step 5: Solve for x
    x = 164,051,649.68/15,426.68
  6. Step 6: Final answer
    x = 10,634.28

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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.