Home / 15,653.34-21,608.37-9,364.50

Finding the Fourth Proportional to 15,653.34, 21,608.37 and 9,364.50

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Solution

The fourth proportional to 15,653.34, 21,608.37 and 9,364.50 is: 12,927.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,653.34 : 21,608.37 = 9,364.50 : x
  2. Step 2: Convert to fraction form
    15,653.34/21,608.37 = 9,364.50/x
  3. Step 3: Cross multiply
    15,653.34x = 21,608.37 × 9,364.50
  4. Step 4: Simplify right side
    15,653.34x = 202,351,580.87
  5. Step 5: Solve for x
    x = 202,351,580.87/15,653.34
  6. Step 6: Final answer
    x = 12,927.05

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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.