Home / 19,981.80-27,574.98-10,907.16

Finding the Fourth Proportional to 19,981.80, 27,574.98 and 10,907.16

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Solution

The fourth proportional to 19,981.80, 27,574.98 and 10,907.16 is: 15,051.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,981.80 : 27,574.98 = 10,907.16 : x
  2. Step 2: Convert to fraction form
    19,981.80/27,574.98 = 10,907.16/x
  3. Step 3: Cross multiply
    19,981.80x = 27,574.98 × 10,907.16
  4. Step 4: Simplify right side
    19,981.80x = 300,764,718.86
  5. Step 5: Solve for x
    x = 300,764,718.86/19,981.80
  6. Step 6: Final answer
    x = 15,051.93

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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.