Home / 15,655.50-21,604.59-9,035.34

Finding the Fourth Proportional to 15,655.50, 21,604.59 and 9,035.34

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Solution

The fourth proportional to 15,655.50, 21,604.59 and 9,035.34 is: 12,468.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,655.50 : 21,604.59 = 9,035.34 : x
  2. Step 2: Convert to fraction form
    15,655.50/21,604.59 = 9,035.34/x
  3. Step 3: Cross multiply
    15,655.50x = 21,604.59 × 9,035.34
  4. Step 4: Simplify right side
    15,655.50x = 195,204,816.21
  5. Step 5: Solve for x
    x = 195,204,816.21/15,655.50
  6. Step 6: Final answer
    x = 12,468.77

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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.