Home / 16,622.16-22,916.52-13,431.84

Finding the Fourth Proportional to 16,622.16, 22,916.52 and 13,431.84

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Solution

The fourth proportional to 16,622.16, 22,916.52 and 13,431.84 is: 18,518.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,622.16 : 22,916.52 = 13,431.84 : x
  2. Step 2: Convert to fraction form
    16,622.16/22,916.52 = 13,431.84/x
  3. Step 3: Cross multiply
    16,622.16x = 22,916.52 × 13,431.84
  4. Step 4: Simplify right side
    16,622.16x = 307,811,030.00
  5. Step 5: Solve for x
    x = 307,811,030.00/16,622.16
  6. Step 6: Final answer
    x = 18,518.11

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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.