Home / 13,501.53-18,631.89-7,533.86

Finding the Fourth Proportional to 13,501.53, 18,631.89 and 7,533.86

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Solution

The fourth proportional to 13,501.53, 18,631.89 and 7,533.86 is: 10,396.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.53 : 18,631.89 = 7,533.86 : x
  2. Step 2: Convert to fraction form
    13,501.53/18,631.89 = 7,533.86/x
  3. Step 3: Cross multiply
    13,501.53x = 18,631.89 × 7,533.86
  4. Step 4: Simplify right side
    13,501.53x = 140,369,957.64
  5. Step 5: Solve for x
    x = 140,369,957.64/13,501.53
  6. Step 6: Final answer
    x = 10,396.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.