Home / 10,019.64-15,038.58-5,343.60

Finding the Fourth Proportional to 10,019.64, 15,038.58 and 5,343.60

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Solution

The fourth proportional to 10,019.64, 15,038.58 and 5,343.60 is: 8,020.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,019.64 : 15,038.58 = 5,343.60 : x
  2. Step 2: Convert to fraction form
    10,019.64/15,038.58 = 5,343.60/x
  3. Step 3: Cross multiply
    10,019.64x = 15,038.58 × 5,343.60
  4. Step 4: Simplify right side
    10,019.64x = 80,360,156.09
  5. Step 5: Solve for x
    x = 80,360,156.09/10,019.64
  6. Step 6: Final answer
    x = 8,020.26

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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.