Home / 13,875.96-19,148.85-7,588.38

Finding the Fourth Proportional to 13,875.96, 19,148.85 and 7,588.38

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Solution

The fourth proportional to 13,875.96, 19,148.85 and 7,588.38 is: 10,471.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,875.96 : 19,148.85 = 7,588.38 : x
  2. Step 2: Convert to fraction form
    13,875.96/19,148.85 = 7,588.38/x
  3. Step 3: Cross multiply
    13,875.96x = 19,148.85 × 7,588.38
  4. Step 4: Simplify right side
    13,875.96x = 145,308,750.36
  5. Step 5: Solve for x
    x = 145,308,750.36/13,875.96
  6. Step 6: Final answer
    x = 10,471.98

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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.