Home / 18,389.13-25,373.22-10,429.26

Finding the Fourth Proportional to 18,389.13, 25,373.22 and 10,429.26

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Solution

The fourth proportional to 18,389.13, 25,373.22 and 10,429.26 is: 14,390.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.13 : 25,373.22 = 10,429.26 : x
  2. Step 2: Convert to fraction form
    18,389.13/25,373.22 = 10,429.26/x
  3. Step 3: Cross multiply
    18,389.13x = 25,373.22 × 10,429.26
  4. Step 4: Simplify right side
    18,389.13x = 264,623,908.42
  5. Step 5: Solve for x
    x = 264,623,908.42/18,389.13
  6. Step 6: Final answer
    x = 14,390.24

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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.