Home / 16,812.48-23,200.32-9,360

Finding the Fourth Proportional to 16,812.48, 23,200.32 and 9,360

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Solution

The fourth proportional to 16,812.48, 23,200.32 and 9,360 is: 12,916.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,812.48 : 23,200.32 = 9,360 : x
  2. Step 2: Convert to fraction form
    16,812.48/23,200.32 = 9,360/x
  3. Step 3: Cross multiply
    16,812.48x = 23,200.32 × 9,360
  4. Step 4: Simplify right side
    16,812.48x = 217,154,995.20
  5. Step 5: Solve for x
    x = 217,154,995.20/16,812.48
  6. Step 6: Final answer
    x = 12,916.30

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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.