Home / 10,152.14-15,156.38-9,095.09

Finding the Fourth Proportional to 10,152.14, 15,156.38 and 9,095.09

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Solution

The fourth proportional to 10,152.14, 15,156.38 and 9,095.09 is: 13,578.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,152.14 : 15,156.38 = 9,095.09 : x
  2. Step 2: Convert to fraction form
    10,152.14/15,156.38 = 9,095.09/x
  3. Step 3: Cross multiply
    10,152.14x = 15,156.38 × 9,095.09
  4. Step 4: Simplify right side
    10,152.14x = 137,848,587.13
  5. Step 5: Solve for x
    x = 137,848,587.13/10,152.14
  6. Step 6: Final answer
    x = 13,578.29

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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.