Home / 13,837.58-19,099.95-9,647.18

Finding the Fourth Proportional to 13,837.58, 19,099.95 and 9,647.18

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Solution

The fourth proportional to 13,837.58, 19,099.95 and 9,647.18 is: 13,315.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,837.58 : 19,099.95 = 9,647.18 : x
  2. Step 2: Convert to fraction form
    13,837.58/19,099.95 = 9,647.18/x
  3. Step 3: Cross multiply
    13,837.58x = 19,099.95 × 9,647.18
  4. Step 4: Simplify right side
    13,837.58x = 184,260,655.64
  5. Step 5: Solve for x
    x = 184,260,655.64/13,837.58
  6. Step 6: Final answer
    x = 13,315.96

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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.