Home / 18,283.59-27,417.63-7,188.51

Finding the Fourth Proportional to 18,283.59, 27,417.63 and 7,188.51

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Solution

The fourth proportional to 18,283.59, 27,417.63 and 7,188.51 is: 10,779.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,283.59 : 27,417.63 = 7,188.51 : x
  2. Step 2: Convert to fraction form
    18,283.59/27,417.63 = 7,188.51/x
  3. Step 3: Cross multiply
    18,283.59x = 27,417.63 × 7,188.51
  4. Step 4: Simplify right side
    18,283.59x = 197,091,907.43
  5. Step 5: Solve for x
    x = 197,091,907.43/18,283.59
  6. Step 6: Final answer
    x = 10,779.72

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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.