Home / 18,567.78-25,624.20-13,275.24

Finding the Fourth Proportional to 18,567.78, 25,624.20 and 13,275.24

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Solution

The fourth proportional to 18,567.78, 25,624.20 and 13,275.24 is: 18,320.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,567.78 : 25,624.20 = 13,275.24 : x
  2. Step 2: Convert to fraction form
    18,567.78/25,624.20 = 13,275.24/x
  3. Step 3: Cross multiply
    18,567.78x = 25,624.20 × 13,275.24
  4. Step 4: Simplify right side
    18,567.78x = 340,167,404.81
  5. Step 5: Solve for x
    x = 340,167,404.81/18,567.78
  6. Step 6: Final answer
    x = 18,320.31

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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.