Home / 18,330.97-27,501.18-8,477.32

Finding the Fourth Proportional to 18,330.97, 27,501.18 and 8,477.32

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Solution

The fourth proportional to 18,330.97, 27,501.18 and 8,477.32 is: 12,718.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.97 : 27,501.18 = 8,477.32 : x
  2. Step 2: Convert to fraction form
    18,330.97/27,501.18 = 8,477.32/x
  3. Step 3: Cross multiply
    18,330.97x = 27,501.18 × 8,477.32
  4. Step 4: Simplify right side
    18,330.97x = 233,136,303.24
  5. Step 5: Solve for x
    x = 233,136,303.24/18,330.97
  6. Step 6: Final answer
    x = 12,718.17

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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.