Home / 16,423.28-22,661.52-9,349.84

Finding the Fourth Proportional to 16,423.28, 22,661.52 and 9,349.84

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Solution

The fourth proportional to 16,423.28, 22,661.52 and 9,349.84 is: 12,901.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,423.28 : 22,661.52 = 9,349.84 : x
  2. Step 2: Convert to fraction form
    16,423.28/22,661.52 = 9,349.84/x
  3. Step 3: Cross multiply
    16,423.28x = 22,661.52 × 9,349.84
  4. Step 4: Simplify right side
    16,423.28x = 211,881,586.16
  5. Step 5: Solve for x
    x = 211,881,586.16/16,423.28
  6. Step 6: Final answer
    x = 12,901.30

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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.