Home / 15,028.66-20,737.17-9,723.70

Finding the Fourth Proportional to 15,028.66, 20,737.17 and 9,723.70

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Solution

The fourth proportional to 15,028.66, 20,737.17 and 9,723.70 is: 13,417.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,028.66 : 20,737.17 = 9,723.70 : x
  2. Step 2: Convert to fraction form
    15,028.66/20,737.17 = 9,723.70/x
  3. Step 3: Cross multiply
    15,028.66x = 20,737.17 × 9,723.70
  4. Step 4: Simplify right side
    15,028.66x = 201,642,019.93
  5. Step 5: Solve for x
    x = 201,642,019.93/15,028.66
  6. Step 6: Final answer
    x = 13,417.17

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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.