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Finding the Fourth Proportional to 15,329.64, 22,999.74 and 7,013.16

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Solution

The fourth proportional to 15,329.64, 22,999.74 and 7,013.16 is: 10,522.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.64 : 22,999.74 = 7,013.16 : x
  2. Step 2: Convert to fraction form
    15,329.64/22,999.74 = 7,013.16/x
  3. Step 3: Cross multiply
    15,329.64x = 22,999.74 × 7,013.16
  4. Step 4: Simplify right side
    15,329.64x = 161,300,856.58
  5. Step 5: Solve for x
    x = 161,300,856.58/15,329.64
  6. Step 6: Final answer
    x = 10,522.16

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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.