Home / 13,837.08-19,089.54-9,647.76

Finding the Fourth Proportional to 13,837.08, 19,089.54 and 9,647.76

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Solution

The fourth proportional to 13,837.08, 19,089.54 and 9,647.76 is: 13,309.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.08 : 19,089.54 = 9,647.76 : x
  2. Step 2: Convert to fraction form
    13,837.08/19,089.54 = 9,647.76/x
  3. Step 3: Cross multiply
    13,837.08x = 19,089.54 × 9,647.76
  4. Step 4: Simplify right side
    13,837.08x = 184,171,300.43
  5. Step 5: Solve for x
    x = 184,171,300.43/13,837.08
  6. Step 6: Final answer
    x = 13,309.98

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1.5x scale

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.