Home / 13,397.23-18,488.73-8,091.01

Finding the Fourth Proportional to 13,397.23, 18,488.73 and 8,091.01

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Solution

The fourth proportional to 13,397.23, 18,488.73 and 8,091.01 is: 11,165.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.23 : 18,488.73 = 8,091.01 : x
  2. Step 2: Convert to fraction form
    13,397.23/18,488.73 = 8,091.01/x
  3. Step 3: Cross multiply
    13,397.23x = 18,488.73 × 8,091.01
  4. Step 4: Simplify right side
    13,397.23x = 149,592,499.32
  5. Step 5: Solve for x
    x = 149,592,499.32/13,397.23
  6. Step 6: Final answer
    x = 11,165.93

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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.