Home / 18,530.04-25,569.06-10,571.78

Finding the Fourth Proportional to 18,530.04, 25,569.06 and 10,571.78

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Solution

The fourth proportional to 18,530.04, 25,569.06 and 10,571.78 is: 14,587.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,530.04 : 25,569.06 = 10,571.78 : x
  2. Step 2: Convert to fraction form
    18,530.04/25,569.06 = 10,571.78/x
  3. Step 3: Cross multiply
    18,530.04x = 25,569.06 × 10,571.78
  4. Step 4: Simplify right side
    18,530.04x = 270,310,477.13
  5. Step 5: Solve for x
    x = 270,310,477.13/18,530.04
  6. Step 6: Final answer
    x = 14,587.69

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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.