Home / 18,386.60-27,586.58-9,025.63

Finding the Fourth Proportional to 18,386.60, 27,586.58 and 9,025.63

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Solution

The fourth proportional to 18,386.60, 27,586.58 and 9,025.63 is: 13,541.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,386.60 : 27,586.58 = 9,025.63 : x
  2. Step 2: Convert to fraction form
    18,386.60/27,586.58 = 9,025.63/x
  3. Step 3: Cross multiply
    18,386.60x = 27,586.58 × 9,025.63
  4. Step 4: Simplify right side
    18,386.60x = 248,986,149.95
  5. Step 5: Solve for x
    x = 248,986,149.95/18,386.60
  6. Step 6: Final answer
    x = 13,541.72

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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.