Home / 10,388.34-15,596.36-8,838.32

Finding the Fourth Proportional to 10,388.34, 15,596.36 and 8,838.32

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Solution

The fourth proportional to 10,388.34, 15,596.36 and 8,838.32 is: 13,269.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,388.34 : 15,596.36 = 8,838.32 : x
  2. Step 2: Convert to fraction form
    10,388.34/15,596.36 = 8,838.32/x
  3. Step 3: Cross multiply
    10,388.34x = 15,596.36 × 8,838.32
  4. Step 4: Simplify right side
    10,388.34x = 137,845,498.34
  5. Step 5: Solve for x
    x = 137,845,498.34/10,388.34
  6. Step 6: Final answer
    x = 13,269.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.