Home / 15,677.62-21,631.65-9,301.06

Finding the Fourth Proportional to 15,677.62, 21,631.65 and 9,301.06

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Solution

The fourth proportional to 15,677.62, 21,631.65 and 9,301.06 is: 12,833.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,677.62 : 21,631.65 = 9,301.06 : x
  2. Step 2: Convert to fraction form
    15,677.62/21,631.65 = 9,301.06/x
  3. Step 3: Cross multiply
    15,677.62x = 21,631.65 × 9,301.06
  4. Step 4: Simplify right side
    15,677.62x = 201,197,274.55
  5. Step 5: Solve for x
    x = 201,197,274.55/15,677.62
  6. Step 6: Final answer
    x = 12,833.41

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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.