Home / 10,102.34-15,081.32-9,435.31

Finding the Fourth Proportional to 10,102.34, 15,081.32 and 9,435.31

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Solution

The fourth proportional to 10,102.34, 15,081.32 and 9,435.31 is: 14,085.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,102.34 : 15,081.32 = 9,435.31 : x
  2. Step 2: Convert to fraction form
    10,102.34/15,081.32 = 9,435.31/x
  3. Step 3: Cross multiply
    10,102.34x = 15,081.32 × 9,435.31
  4. Step 4: Simplify right side
    10,102.34x = 142,296,915.29
  5. Step 5: Solve for x
    x = 142,296,915.29/10,102.34
  6. Step 6: Final answer
    x = 14,085.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.