Home / 16,189.17-22,342.66-9,474.40

Finding the Fourth Proportional to 16,189.17, 22,342.66 and 9,474.40

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Solution

The fourth proportional to 16,189.17, 22,342.66 and 9,474.40 is: 13,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,189.17 : 22,342.66 = 9,474.40 : x
  2. Step 2: Convert to fraction form
    16,189.17/22,342.66 = 9,474.40/x
  3. Step 3: Cross multiply
    16,189.17x = 22,342.66 × 9,474.40
  4. Step 4: Simplify right side
    16,189.17x = 211,683,328.79
  5. Step 5: Solve for x
    x = 211,683,328.79/16,189.17
  6. Step 6: Final answer
    x = 13,075.61

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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.