Home / 12,088.04-18,127.95-4,188.71

Finding the Fourth Proportional to 12,088.04, 18,127.95 and 4,188.71

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Solution

The fourth proportional to 12,088.04, 18,127.95 and 4,188.71 is: 6,281.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,088.04 : 18,127.95 = 4,188.71 : x
  2. Step 2: Convert to fraction form
    12,088.04/18,127.95 = 4,188.71/x
  3. Step 3: Cross multiply
    12,088.04x = 18,127.95 × 4,188.71
  4. Step 4: Simplify right side
    12,088.04x = 75,932,669.65
  5. Step 5: Solve for x
    x = 75,932,669.65/12,088.04
  6. Step 6: Final answer
    x = 6,281.64

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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.