Home / 13,990.08-19,285.44-9,266.16

Finding the Fourth Proportional to 13,990.08, 19,285.44 and 9,266.16

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Solution

The fourth proportional to 13,990.08, 19,285.44 and 9,266.16 is: 12,773.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,990.08 : 19,285.44 = 9,266.16 : x
  2. Step 2: Convert to fraction form
    13,990.08/19,285.44 = 9,266.16/x
  3. Step 3: Cross multiply
    13,990.08x = 19,285.44 × 9,266.16
  4. Step 4: Simplify right side
    13,990.08x = 178,701,972.71
  5. Step 5: Solve for x
    x = 178,701,972.71/13,990.08
  6. Step 6: Final answer
    x = 12,773.48

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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.