Home / 13,840.07-19,097.98-8,533.86

Finding the Fourth Proportional to 13,840.07, 19,097.98 and 8,533.86

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Solution

The fourth proportional to 13,840.07, 19,097.98 and 8,533.86 is: 11,775.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,840.07 : 19,097.98 = 8,533.86 : x
  2. Step 2: Convert to fraction form
    13,840.07/19,097.98 = 8,533.86/x
  3. Step 3: Cross multiply
    13,840.07x = 19,097.98 × 8,533.86
  4. Step 4: Simplify right side
    13,840.07x = 162,979,394.65
  5. Step 5: Solve for x
    x = 162,979,394.65/13,840.07
  6. Step 6: Final answer
    x = 11,775.91

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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.