Home / 18,085.02-27,095.13-6,390.78

Finding the Fourth Proportional to 18,085.02, 27,095.13 and 6,390.78

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Solution

The fourth proportional to 18,085.02, 27,095.13 and 6,390.78 is: 9,574.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,085.02 : 27,095.13 = 6,390.78 : x
  2. Step 2: Convert to fraction form
    18,085.02/27,095.13 = 6,390.78/x
  3. Step 3: Cross multiply
    18,085.02x = 27,095.13 × 6,390.78
  4. Step 4: Simplify right side
    18,085.02x = 173,159,014.90
  5. Step 5: Solve for x
    x = 173,159,014.90/18,085.02
  6. Step 6: Final answer
    x = 9,574.72

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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.