Home / 10,099.08-15,156.40-5,168.32

Finding the Fourth Proportional to 10,099.08, 15,156.40 and 5,168.32

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Solution

The fourth proportional to 10,099.08, 15,156.40 and 5,168.32 is: 7,756.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,099.08 : 15,156.40 = 5,168.32 : x
  2. Step 2: Convert to fraction form
    10,099.08/15,156.40 = 5,168.32/x
  3. Step 3: Cross multiply
    10,099.08x = 15,156.40 × 5,168.32
  4. Step 4: Simplify right side
    10,099.08x = 78,333,125.25
  5. Step 5: Solve for x
    x = 78,333,125.25/10,099.08
  6. Step 6: Final answer
    x = 7,756.46

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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.