Home / 18,506.40-25,534.74-11,337.83

Finding the Fourth Proportional to 18,506.40, 25,534.74 and 11,337.83

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Solution

The fourth proportional to 18,506.40, 25,534.74 and 11,337.83 is: 15,643.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.40 : 25,534.74 = 11,337.83 : x
  2. Step 2: Convert to fraction form
    18,506.40/25,534.74 = 11,337.83/x
  3. Step 3: Cross multiply
    18,506.40x = 25,534.74 × 11,337.83
  4. Step 4: Simplify right side
    18,506.40x = 289,508,541.21
  5. Step 5: Solve for x
    x = 289,508,541.21/18,506.40
  6. Step 6: Final answer
    x = 15,643.70

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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.