Home / 22,658.77-31,268.69-12,586.81

Finding the Fourth Proportional to 22,658.77, 31,268.69 and 12,586.81

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Solution

The fourth proportional to 22,658.77, 31,268.69 and 12,586.81 is: 17,369.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.77 : 31,268.69 = 12,586.81 : x
  2. Step 2: Convert to fraction form
    22,658.77/31,268.69 = 12,586.81/x
  3. Step 3: Cross multiply
    22,658.77x = 31,268.69 × 12,586.81
  4. Step 4: Simplify right side
    22,658.77x = 393,572,997.04
  5. Step 5: Solve for x
    x = 393,572,997.04/22,658.77
  6. Step 6: Final answer
    x = 17,369.57

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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.