Home / 18,538.20-25,582.68-10,154.52

Finding the Fourth Proportional to 18,538.20, 25,582.68 and 10,154.52

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Solution

The fourth proportional to 18,538.20, 25,582.68 and 10,154.52 is: 14,013.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,538.20 : 25,582.68 = 10,154.52 : x
  2. Step 2: Convert to fraction form
    18,538.20/25,582.68 = 10,154.52/x
  3. Step 3: Cross multiply
    18,538.20x = 25,582.68 × 10,154.52
  4. Step 4: Simplify right side
    18,538.20x = 259,779,835.71
  5. Step 5: Solve for x
    x = 259,779,835.71/18,538.20
  6. Step 6: Final answer
    x = 14,013.22

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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.