Home / 13,165.59-19,756.25-4,731.40

Finding the Fourth Proportional to 13,165.59, 19,756.25 and 4,731.40

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Solution

The fourth proportional to 13,165.59, 19,756.25 and 4,731.40 is: 7,099.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,165.59 : 19,756.25 = 4,731.40 : x
  2. Step 2: Convert to fraction form
    13,165.59/19,756.25 = 4,731.40/x
  3. Step 3: Cross multiply
    13,165.59x = 19,756.25 × 4,731.40
  4. Step 4: Simplify right side
    13,165.59x = 93,474,721.25
  5. Step 5: Solve for x
    x = 93,474,721.25/13,165.59
  6. Step 6: Final answer
    x = 7,099.93

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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.