Home / 19,624.16-27,087.27-13,340.18

Finding the Fourth Proportional to 19,624.16, 27,087.27 and 13,340.18

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Solution

The fourth proportional to 19,624.16, 27,087.27 and 13,340.18 is: 18,413.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,624.16 : 27,087.27 = 13,340.18 : x
  2. Step 2: Convert to fraction form
    19,624.16/27,087.27 = 13,340.18/x
  3. Step 3: Cross multiply
    19,624.16x = 27,087.27 × 13,340.18
  4. Step 4: Simplify right side
    19,624.16x = 361,349,057.51
  5. Step 5: Solve for x
    x = 361,349,057.51/19,624.16
  6. Step 6: Final answer
    x = 18,413.48

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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.