Home / 18,139.48-27,216.06-9,368.92

Finding the Fourth Proportional to 18,139.48, 27,216.06 and 9,368.92

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Solution

The fourth proportional to 18,139.48, 27,216.06 and 9,368.92 is: 14,056.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,139.48 : 27,216.06 = 9,368.92 : x
  2. Step 2: Convert to fraction form
    18,139.48/27,216.06 = 9,368.92/x
  3. Step 3: Cross multiply
    18,139.48x = 27,216.06 × 9,368.92
  4. Step 4: Simplify right side
    18,139.48x = 254,985,088.86
  5. Step 5: Solve for x
    x = 254,985,088.86/18,139.48
  6. Step 6: Final answer
    x = 14,056.91

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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.