Home / 18,323.04-27,486.36-5,175.51

Finding the Fourth Proportional to 18,323.04, 27,486.36 and 5,175.51

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Solution

The fourth proportional to 18,323.04, 27,486.36 and 5,175.51 is: 7,763.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,323.04 : 27,486.36 = 5,175.51 : x
  2. Step 2: Convert to fraction form
    18,323.04/27,486.36 = 5,175.51/x
  3. Step 3: Cross multiply
    18,323.04x = 27,486.36 × 5,175.51
  4. Step 4: Simplify right side
    18,323.04x = 142,255,931.04
  5. Step 5: Solve for x
    x = 142,255,931.04/18,323.04
  6. Step 6: Final answer
    x = 7,763.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.