Home / 15,807.10-21,816.09-9,433.96

Finding the Fourth Proportional to 15,807.10, 21,816.09 and 9,433.96

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Solution

The fourth proportional to 15,807.10, 21,816.09 and 9,433.96 is: 13,020.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,807.10 : 21,816.09 = 9,433.96 : x
  2. Step 2: Convert to fraction form
    15,807.10/21,816.09 = 9,433.96/x
  3. Step 3: Cross multiply
    15,807.10x = 21,816.09 × 9,433.96
  4. Step 4: Simplify right side
    15,807.10x = 205,812,153.77
  5. Step 5: Solve for x
    x = 205,812,153.77/15,807.10
  6. Step 6: Final answer
    x = 13,020.24

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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.