Home / 18,316.10-25,276.70-10,359.50

Finding the Fourth Proportional to 18,316.10, 25,276.70 and 10,359.50

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Solution

The fourth proportional to 18,316.10, 25,276.70 and 10,359.50 is: 14,296.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,316.10 : 25,276.70 = 10,359.50 : x
  2. Step 2: Convert to fraction form
    18,316.10/25,276.70 = 10,359.50/x
  3. Step 3: Cross multiply
    18,316.10x = 25,276.70 × 10,359.50
  4. Step 4: Simplify right side
    18,316.10x = 261,853,973.65
  5. Step 5: Solve for x
    x = 261,853,973.65/18,316.10
  6. Step 6: Final answer
    x = 14,296.38

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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.