Home / 18,390.04-27,585.98-5,244.36

Finding the Fourth Proportional to 18,390.04, 27,585.98 and 5,244.36

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Solution

The fourth proportional to 18,390.04, 27,585.98 and 5,244.36 is: 7,866.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,390.04 : 27,585.98 = 5,244.36 : x
  2. Step 2: Convert to fraction form
    18,390.04/27,585.98 = 5,244.36/x
  3. Step 3: Cross multiply
    18,390.04x = 27,585.98 × 5,244.36
  4. Step 4: Simplify right side
    18,390.04x = 144,670,810.07
  5. Step 5: Solve for x
    x = 144,670,810.07/18,390.04
  6. Step 6: Final answer
    x = 7,866.80

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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.