Home / 18,088.84-27,123.54-6,393.40

Finding the Fourth Proportional to 18,088.84, 27,123.54 and 6,393.40

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Solution

The fourth proportional to 18,088.84, 27,123.54 and 6,393.40 is: 9,586.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,088.84 : 27,123.54 = 6,393.40 : x
  2. Step 2: Convert to fraction form
    18,088.84/27,123.54 = 6,393.40/x
  3. Step 3: Cross multiply
    18,088.84x = 27,123.54 × 6,393.40
  4. Step 4: Simplify right side
    18,088.84x = 173,411,640.64
  5. Step 5: Solve for x
    x = 173,411,640.64/18,088.84
  6. Step 6: Final answer
    x = 9,586.66

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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.