Home / 18,353.13-25,302.78-14,588.79

Finding the Fourth Proportional to 18,353.13, 25,302.78 and 14,588.79

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Solution

The fourth proportional to 18,353.13, 25,302.78 and 14,588.79 is: 20,113.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.13 : 25,302.78 = 14,588.79 : x
  2. Step 2: Convert to fraction form
    18,353.13/25,302.78 = 14,588.79/x
  3. Step 3: Cross multiply
    18,353.13x = 25,302.78 × 14,588.79
  4. Step 4: Simplify right side
    18,353.13x = 369,136,943.84
  5. Step 5: Solve for x
    x = 369,136,943.84/18,353.13
  6. Step 6: Final answer
    x = 20,113.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.